{"title":"Shaft couplings, flanges, flexible couplers","description":"","products":[{"product_id":"fairview-139","title":"Fairview Isoflex (95) Coupling IFC4300","description":"\u003cp\u003eFairview Isoflex IFC4300 (95) coupling engineered for reliable vibration isolation and flexible connection in marine drive systems. Precision-manufactured for optimal fit and durability in demanding marine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFairview Marine part\u003c\/li\u003e\n\u003cli\u003eSKU: IFC4300\u003c\/li\u003e\n\u003cli\u003eModel: Isoflex IFC4300 (95)\u003c\/li\u003e\n\u003cli\u003eApplication: Marine shaft couplings and drive components\u003c\/li\u003e\n\u003cli\u003eFeatures: Vibration isolation and flexible connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563798691876,"sku":"IFC4300","price":496.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/82acbc55-fb75-4693-af8c-d233e18974ef.png?v=1772662741"},{"product_id":"fairview-141","title":"Fairview Drive Coupling 1\/2B IFC6100-95","description":"\u003cp\u003eFairview IFC6100-95 drive coupling (1\/2B) engineered for reliable connection and performance in marine drive systems. Precision-manufactured for optimal fit and durability in demanding marine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFairview Marine part\u003c\/li\u003e\n\u003cli\u003eSKU: IFC6100-95\u003c\/li\u003e\n\u003cli\u003eModel: IFC6100-95 (1\/2B)\u003c\/li\u003e\n\u003cli\u003eApplication: Marine shaft couplings and drive components\u003c\/li\u003e\n\u003cli\u003eQuality: Precision engineering and construction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563798790180,"sku":"IFC6100-95","price":763.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/iFC6100-95.png?v=1772662565"},{"product_id":"fairview-142","title":"Fairview IFC6400 (95) Coupling","description":"\u003cp\u003eFairview IFC6400 (95) coupling engineered for reliable connection and performance in marine drive systems. Precision-manufactured for optimal fit and durability in demanding marine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFairview Marine part\u003c\/li\u003e\n\u003cli\u003eSKU: IFC6400\u003c\/li\u003e\n\u003cli\u003eModel: IFC6400 (95)\u003c\/li\u003e\n\u003cli\u003eApplication: Marine shaft couplings and drive components\u003c\/li\u003e\n\u003cli\u003eQuality: Precision engineering and construction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563798888484,"sku":"IFC6400","price":1060.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/FairviewIFC6400_95_Coupling.png?v=1772661742"},{"product_id":"isoflex-gear-guard-globe-7256pr-ifc-6300-ht","title":"IsoFlex IFC-6300-HT Flexible Coupling Disc – Globe DriveSaver 7256PR Replacement","description":"\u003cp data-start=\"277\" data-end=\"540\"\u003eThe \u003cstrong data-start=\"281\" data-end=\"315\"\u003eIsoFlex IFC-6300-HT Gear Guard\u003c\/strong\u003e is a high-performance flexible gearbox coupling designed to protect marine driveline systems by absorbing shock loads, reducing vibration, and compensating for minor misalignment between the transmission and propeller shaft.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"860\"\u003eManufactured from IsoFlex’s engineering-grade polymer, this coupling acts as a \u003cstrong data-start=\"621\" data-end=\"657\"\u003esacrificial drivetrain component\u003c\/strong\u003e, designed to fail before damage occurs to expensive gearboxes, shafts, or engines. It provides a non-metallic barrier that isolates vibration and significantly reduces drivetrain noise and gear chatter.\u003c\/p\u003e\n\u003cp data-start=\"862\" data-end=\"1085\"\u003eThis model is a direct equivalent to the \u003cstrong data-start=\"903\" data-end=\"930\"\u003eGlobe DriveSaver 7256PR\u003c\/strong\u003e, making it a common upgrade or replacement in marine propulsion systems using Allison, ZF, and Newage transmissions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1087\" data-end=\"1090\"\u003e\n\u003ch2 data-start=\"1092\" data-end=\"1111\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1095\" data-end=\"1111\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1112\" data-end=\"1484\"\u003e\n\u003cli data-start=\"1112\" data-end=\"1158\"\u003eIsoFlex high-torque (HT) flexible coupling\u003c\/li\u003e\n\u003cli data-start=\"1159\" data-end=\"1204\"\u003eEquivalent to \u003cstrong data-start=\"1175\" data-end=\"1202\"\u003eGlobe 7256PR DriveSaver\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1205\" data-end=\"1254\"\u003eAbsorbs vibration, shock, and torsional loads\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1303\"\u003eCompensates for minor driveline misalignment\u003c\/li\u003e\n\u003cli data-start=\"1304\" data-end=\"1354\"\u003eProtects gearbox, shaft, and engine components\u003c\/li\u003e\n\u003cli data-start=\"1355\" data-end=\"1424\"\u003eEngineering-grade polymer construction (oil\/fuel\/water resistant)\u003c\/li\u003e\n\u003cli data-start=\"1425\" data-end=\"1484\"\u003eActs as a \u003cstrong data-start=\"1437\" data-end=\"1482\"\u003esacrificial “fuse” in drivetrain failures\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1486\" data-end=\"1489\"\u003e\n\u003ch2 data-start=\"1491\" data-end=\"1511\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1494\" data-end=\"1511\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1513\" data-end=\"1547\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1547\"\u003eTransmission Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1548\" data-end=\"1567\"\u003eCommonly used with:\u003c\/p\u003e\n\u003cul data-start=\"1568\" data-end=\"1875\"\u003e\n\u003cli data-start=\"1568\" data-end=\"1627\"\u003e\n\u003cstrong data-start=\"1570\" data-end=\"1602\"\u003eAllison Marine Transmissions\u003c\/strong\u003e\n\u003cul data-start=\"1605\" data-end=\"1627\"\u003e\n\u003cli data-start=\"1605\" data-end=\"1627\"\u003eM11, M15, M17, M20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1628\" data-end=\"1727\"\u003e\n\u003cstrong data-start=\"1630\" data-end=\"1657\"\u003eZF Marine Transmissions\u003c\/strong\u003e\n\u003cul data-start=\"1660\" data-end=\"1727\"\u003e\n\u003cli data-start=\"1660\" data-end=\"1671\"\u003eZF 220V\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1695\"\u003eZF 305-2 \/ 305-2A\u003c\/li\u003e\n\u003cli data-start=\"1698\" data-end=\"1727\"\u003eZF 302 \/ 310 \/ 311 \/ 311A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1728\" data-end=\"1875\"\u003e\n\u003cstrong data-start=\"1730\" data-end=\"1760\"\u003eNewage \/ PRM Transmissions\u003c\/strong\u003e\n\u003cul data-start=\"1763\" data-end=\"1875\"\u003e\n\u003cli data-start=\"1763\" data-end=\"1774\"\u003ePRM 601\u003c\/li\u003e\n\u003cli data-start=\"1777\" data-end=\"1789\"\u003ePRM 1000\u003c\/li\u003e\n\u003cli data-start=\"1792\" data-end=\"1805\"\u003ePRM 1200S\u003c\/li\u003e\n\u003cli data-start=\"1808\" data-end=\"1821\"\u003ePRM 1500S\u003c\/li\u003e\n\u003cli data-start=\"1824\" data-end=\"1875\"\u003ePRM 1750S \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1877\" data-end=\"1880\"\u003e\n\u003ch3 data-start=\"1882\" data-end=\"1928\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1886\" data-end=\"1928\"\u003eGlobe \/ DriveSaver Cross Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1929\" data-end=\"2078\"\u003e\n\u003cli data-start=\"1929\" data-end=\"2078\"\u003eDirect replacement for:\n\u003cul data-start=\"1957\" data-end=\"2078\"\u003e\n\u003cli data-start=\"1957\" data-end=\"1988\"\u003e\u003cstrong data-start=\"1959\" data-end=\"1986\"\u003eGlobe 7256PR DriveSaver\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1991\" data-end=\"2078\"\u003eDriveSaver Plus Rated 7-1\/4\" coupling systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2080\" data-end=\"2083\"\u003e\n\u003ch3 data-start=\"2085\" data-end=\"2122\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2089\" data-end=\"2122\"\u003eMarine Driveline Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2123\" data-end=\"2131\"\u003eUsed in:\u003c\/p\u003e\n\u003cul data-start=\"2132\" data-end=\"2284\"\u003e\n\u003cli data-start=\"2132\" data-end=\"2158\"\u003eInboard marine engines\u003c\/li\u003e\n\u003cli data-start=\"2159\" data-end=\"2194\"\u003eShaft-driven propulsion systems\u003c\/li\u003e\n\u003cli data-start=\"2195\" data-end=\"2234\"\u003eCommercial and recreational vessels\u003c\/li\u003e\n\u003cli data-start=\"2235\" data-end=\"2284\"\u003eDiesel marine drivetrains (mid to heavy-duty)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2286\" data-end=\"2388\"\u003e➡️ Suitable for \u003cstrong data-start=\"2302\" data-end=\"2359\"\u003epleasure craft, charter boats, and commercial vessels\u003c\/strong\u003e depending on torque rating\u003c\/p\u003e\n\u003chr data-start=\"2390\" data-end=\"2393\"\u003e\n\u003ch2 data-start=\"2395\" data-end=\"2432\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2398\" data-end=\"2430\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2433\" data-end=\"2452\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-start=\"2453\" data-end=\"2589\"\u003e\n\u003cli data-start=\"2453\" data-end=\"2498\"\u003eGearbox flange size (\u003cstrong data-start=\"2476\" data-end=\"2495\"\u003e7-1\/4\" required\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-start=\"2499\" data-end=\"2542\"\u003eBolt pattern (\u003cstrong data-start=\"2515\" data-end=\"2539\"\u003e6-bolt configuration\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-start=\"2543\" data-end=\"2589\"\u003eTorque requirements of engine\/transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2591\" data-end=\"2695\"\u003e⚠️ Always confirm compatibility using your \u003cstrong data-start=\"2634\" data-end=\"2678\"\u003eflange dimensions and transmission model\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2697\" data-end=\"2700\"\u003e\n\u003ch2 data-start=\"2702\" data-end=\"2742\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2705\" data-end=\"2742\"\u003eSpecifications (Fitment Critical)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2743\" data-end=\"3341\"\u003e\n\u003cli data-start=\"2743\" data-end=\"2821\"\u003eFlange Diameter: \u003cstrong data-start=\"2762\" data-end=\"2781\"\u003e7-1\/4\" (184 mm)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2822\" data-end=\"2888\"\u003eBolt Pattern: \u003cstrong data-start=\"2838\" data-end=\"2848\"\u003e6 bolt\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2889\" data-end=\"2957\"\u003eBolt Size: \u003cstrong data-start=\"2902\" data-end=\"2917\"\u003e5\/8\" (≈M16)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2958\" data-end=\"3028\"\u003eBolt Circle: \u003cstrong data-start=\"2973\" data-end=\"2988\"\u003e6\" (152 mm)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3029\" data-end=\"3105\"\u003ePilot Diameter: \u003cstrong data-start=\"3047\" data-end=\"3065\"\u003e3-3\/4\" (95 mm)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3106\" data-end=\"3184\"\u003eOutside Diameter: \u003cstrong data-start=\"3126\" data-end=\"3144\"\u003e~8.3\" (212 mm)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3185\" data-end=\"3257\"\u003eThickness: \u003cstrong data-start=\"3198\" data-end=\"3217\"\u003e~1-1\/2\" (38 mm)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3258\" data-end=\"3341\"\u003eMaterial: \u003cstrong data-start=\"3270\" data-end=\"3299\"\u003eEngineering-grade polymer\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3343\" data-end=\"3346\"\u003e\n\u003ch2 data-start=\"3348\" data-end=\"3370\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3351\" data-end=\"3370\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3371\" data-end=\"3468\"\u003e\n\u003cli data-start=\"3371\" data-end=\"3419\"\u003eIsoFlex flexible coupling disc (IFC-6300-HT)\u003c\/li\u003e\n\u003cli data-start=\"3420\" data-end=\"3468\"\u003eHardware may vary depending on configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3470\" data-end=\"3473\"\u003e\n\u003ch2 data-start=\"3475\" data-end=\"3514\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3478\" data-end=\"3514\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3515\" data-end=\"3550\"\u003eReplace the coupling if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3551\" data-end=\"3698\"\u003e\n\u003cli data-start=\"3551\" data-end=\"3583\"\u003eExcessive vibration or noise\u003c\/li\u003e\n\u003cli data-start=\"3584\" data-end=\"3619\"\u003eVisible cracking or deformation\u003c\/li\u003e\n\u003cli data-start=\"3620\" data-end=\"3646\"\u003eDriveline shock damage\u003c\/li\u003e\n\u003cli data-start=\"3647\" data-end=\"3698\"\u003eCoupling failure after impact (log, rope, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3700\" data-end=\"3703\"\u003e\n\u003ch2 data-start=\"3705\" data-end=\"3730\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3708\" data-end=\"3730\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3731\" data-end=\"3955\"\u003e\n\u003cli data-start=\"3731\" data-end=\"3780\"\u003eInstall between transmission and shaft flange\u003c\/li\u003e\n\u003cli data-start=\"3781\" data-end=\"3826\"\u003eEnsure proper alignment before tightening\u003c\/li\u003e\n\u003cli data-start=\"3827\" data-end=\"3862\"\u003eTorque bolts evenly in sequence\u003c\/li\u003e\n\u003cli data-start=\"3863\" data-end=\"3917\"\u003eVerify clearance and shaft alignment after install\u003c\/li\u003e\n\u003cli data-start=\"3918\" data-end=\"3955\"\u003eReplace bushings\/hardware if worn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3957\" data-end=\"3960\"\u003e\n\u003ch2 data-start=\"3962\" data-end=\"4004\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3965\" data-end=\"4004\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"4006\" data-end=\"4034\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4010\" data-end=\"4034\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4035\" data-end=\"4061\"\u003e\n\u003cli data-start=\"4035\" data-end=\"4061\"\u003eIsoFlex: \u003cstrong data-start=\"4046\" data-end=\"4061\"\u003eIFC-6300-HT\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4063\" data-end=\"4066\"\u003e\n\u003ch3 data-start=\"4068\" data-end=\"4098\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4072\" data-end=\"4098\"\u003eMajor Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4099\" data-end=\"4173\"\u003e\n\u003cli data-start=\"4099\" data-end=\"4173\"\u003eGlobe: \u003cstrong data-start=\"4108\" data-end=\"4131\"\u003e7256PR (DriveSaver)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4175\" data-end=\"4178\"\u003e\n\u003ch3 data-start=\"4180\" data-end=\"4206\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4184\" data-end=\"4206\"\u003eRelated Components\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4207\" data-end=\"4297\"\u003e\n\u003cli data-start=\"4207\" data-end=\"4253\"\u003eIsoFlex T-Bushing Kits (e.g., TBUSHKIT3\/4)\u003c\/li\u003e\n\u003cli data-start=\"4254\" data-end=\"4297\"\u003eIsoFlex Flexible Couplings (IFC series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4299\" data-end=\"4302\"\u003e\n\u003ch2 data-start=\"4304\" data-end=\"4321\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4307\" data-end=\"4319\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4322\" data-end=\"4387\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-start=\"4389\" data-end=\"4392\"\u003e\n\u003ch3 data-start=\"4394\" data-end=\"4421\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"4422\" data-end=\"4589\"\u003eThis is a \u003cstrong data-start=\"4432\" data-end=\"4471\"\u003eclassic 7-1\/4\" 6-bolt coupling size\u003c\/strong\u003e—very common on ZF and Allison setups. If you’re replacing a DriveSaver 7256PR, this IsoFlex unit is a direct match 👍\u003c\/p\u003e","brand":"GLO","offers":[{"title":"Default Title","offer_id":43563812683812,"sku":"IFC-6300-HT","price":814.82,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/38aee97f-3518-472c-9653-093e3edd8b77.png?v=1774305408"},{"product_id":"isoflex-ifv30-hd-16s-flexible-coupling-element-red-shore-60","title":"IsoFlex IFV30 HD-16S Flexible Coupling Element – Red (Shore 60)","description":"\u003cp data-start=\"121\" data-end=\"184\"\u003eIsoFlex IFV30 HD-16S Flexible Coupling Element – Red (Shore 60)\u003c\/p\u003e\n\u003chr data-start=\"186\" data-end=\"189\"\u003e\n\u003ch2 data-start=\"191\" data-end=\"219\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"194\" data-end=\"217\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"220\" data-end=\"467\"\u003eThe \u003cstrong data-start=\"224\" data-end=\"291\"\u003eIsoFlex IFV30 HD-16S Flexible Coupling Element (Red – Shore 60)\u003c\/strong\u003e is a high-performance elastomer coupling insert designed to provide vibration isolation, shock absorption, and controlled flexibility in marine driveline and mounting systems.\u003c\/p\u003e\n\u003cp data-start=\"469\" data-end=\"775\"\u003eThis flexible element is engineered from IsoFlex’s advanced polymer material, offering superior resistance to fuel, oil, water, and harsh marine environments. The Shore 60 (red) durometer provides a balanced combination of flexibility and load capacity, making it ideal for medium-duty marine applications.\u003c\/p\u003e\n\u003cp data-start=\"777\" data-end=\"1011\"\u003eIsoFlex coupling elements are designed to act as a \u003cstrong data-start=\"828\" data-end=\"868\"\u003esacrificial and protective component\u003c\/strong\u003e, absorbing driveline stress and misalignment while protecting gearboxes, shafts, and mounts from damage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1013\" data-end=\"1016\"\u003e\n\u003ch2 data-start=\"1018\" data-end=\"1037\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1021\" data-end=\"1037\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1038\" data-end=\"1386\"\u003e\n\u003cli data-start=\"1038\" data-end=\"1083\"\u003eGenuine IsoFlex flexible coupling element\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1135\"\u003e\n\u003cstrong data-start=\"1086\" data-end=\"1114\"\u003eRed (Shore 60) durometer\u003c\/strong\u003e – medium stiffness\u003c\/li\u003e\n\u003cli data-start=\"1136\" data-end=\"1178\"\u003eAbsorbs vibration and drivetrain shock\u003c\/li\u003e\n\u003cli data-start=\"1179\" data-end=\"1217\"\u003eCompensates for minor misalignment\u003c\/li\u003e\n\u003cli data-start=\"1218\" data-end=\"1271\"\u003eHigh-performance engineering polymer construction\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1329\"\u003eResistant to oil, fuel, water, and harsh environments\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1386\"\u003eDesigned to protect gearbox and driveline components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1388\" data-end=\"1391\"\u003e\n\u003ch2 data-start=\"1393\" data-end=\"1413\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1396\" data-end=\"1413\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1415\" data-end=\"1438\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1419\" data-end=\"1438\"\u003eIsoFlex Systems\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1439\" data-end=\"1455\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"1456\" data-end=\"1589\"\u003e\n\u003cli data-start=\"1456\" data-end=\"1493\"\u003eIsoFlex IFV30 coupling assemblies\u003c\/li\u003e\n\u003cli data-start=\"1494\" data-end=\"1538\"\u003eHD-16S mount and coupling configurations\u003c\/li\u003e\n\u003cli data-start=\"1539\" data-end=\"1589\"\u003eIsoFlex modular mounting and driveline systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1591\" data-end=\"1663\"\u003e➡️ Designed for use with \u003cstrong data-start=\"1616\" data-end=\"1663\"\u003eIsoFlex flexible coupling and mount systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1665\" data-end=\"1668\"\u003e\n\u003ch3 data-start=\"1670\" data-end=\"1707\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1674\" data-end=\"1707\"\u003eMarine Driveline Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1708\" data-end=\"1725\"\u003eCommonly used in:\u003c\/p\u003e\n\u003cul data-start=\"1726\" data-end=\"1868\"\u003e\n\u003cli data-start=\"1726\" data-end=\"1752\"\u003eInboard marine engines\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1788\"\u003eShaft-driven propulsion systems\u003c\/li\u003e\n\u003cli data-start=\"1789\" data-end=\"1829\"\u003eGearbox-to-shaft coupling assemblies\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1868\"\u003eEngine mount and isolation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1870\" data-end=\"1873\"\u003e\n\u003ch2 data-start=\"1875\" data-end=\"1912\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1878\" data-end=\"1910\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1913\" data-end=\"1932\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-start=\"1933\" data-end=\"2042\"\u003e\n\u003cli data-start=\"1933\" data-end=\"1981\"\u003eCoupling model (\u003cstrong data-start=\"1951\" data-end=\"1978\"\u003eIFV30 \/ HD-16S required\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-start=\"1982\" data-end=\"2003\"\u003eLoad requirements\u003c\/li\u003e\n\u003cli data-start=\"2004\" data-end=\"2042\"\u003eDurometer selection (Shore rating)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2044\" data-end=\"2150\"\u003e⚠️ Always confirm compatibility with your \u003cstrong data-start=\"2086\" data-end=\"2133\"\u003eIsoFlex system and application requirements\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2152\" data-end=\"2155\"\u003e\n\u003ch2 data-start=\"2157\" data-end=\"2178\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2160\" data-end=\"2178\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2179\" data-end=\"2376\"\u003e\n\u003cli data-start=\"2179\" data-end=\"2219\"\u003ePart Type: Flexible coupling element\u003c\/li\u003e\n\u003cli data-start=\"2220\" data-end=\"2247\"\u003eModel: \u003cstrong data-start=\"2229\" data-end=\"2245\"\u003eIFV30 HD-16S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2248\" data-end=\"2281\"\u003eDurometer: \u003cstrong data-start=\"2261\" data-end=\"2279\"\u003eShore 60 (Red)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2282\" data-end=\"2321\"\u003eMaterial: Engineering-grade polymer\u003c\/li\u003e\n\u003cli data-start=\"2322\" data-end=\"2376\"\u003eFunction: Vibration isolation and shock absorption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2378\" data-end=\"2381\"\u003e\n\u003ch2 data-start=\"2383\" data-end=\"2417\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2386\" data-end=\"2417\"\u003eDurometer Guide (Important)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2418\" data-end=\"2608\"\u003e\n\u003cli data-start=\"2418\" data-end=\"2481\"\u003e\n\u003cstrong data-start=\"2420\" data-end=\"2439\"\u003eRed (Shore 60):\u003c\/strong\u003e Medium flexibility – general marine use\u003c\/li\u003e\n\u003cli data-start=\"2482\" data-end=\"2544\"\u003eSofter cores: More vibration isolation, less load capacity\u003c\/li\u003e\n\u003cli data-start=\"2545\" data-end=\"2608\"\u003eHarder cores: More load capacity, less vibration absorption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2610\" data-end=\"2670\"\u003e➡️ Correct durometer selection is critical for performance\u003c\/p\u003e\n\u003chr data-start=\"2672\" data-end=\"2675\"\u003e\n\u003ch2 data-start=\"2677\" data-end=\"2699\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2680\" data-end=\"2699\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2700\" data-end=\"2756\"\u003e\n\u003cli data-start=\"2700\" data-end=\"2756\"\u003e(1) IsoFlex flexible coupling element (Red – Shore 60)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2758\" data-end=\"2761\"\u003e\n\u003ch2 data-start=\"2763\" data-end=\"2802\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2766\" data-end=\"2802\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2803\" data-end=\"2837\"\u003eReplace the element if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2838\" data-end=\"2956\"\u003e\n\u003cli data-start=\"2838\" data-end=\"2865\"\u003eCracking or deformation\u003c\/li\u003e\n\u003cli data-start=\"2866\" data-end=\"2898\"\u003eExcessive vibration or noise\u003c\/li\u003e\n\u003cli data-start=\"2899\" data-end=\"2922\"\u003eLoss of flexibility\u003c\/li\u003e\n\u003cli data-start=\"2923\" data-end=\"2956\"\u003eDriveline misalignment issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2958\" data-end=\"2961\"\u003e\n\u003ch2 data-start=\"2963\" data-end=\"2988\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2966\" data-end=\"2988\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2989\" data-end=\"3217\"\u003e\n\u003cli data-start=\"2989\" data-end=\"3044\"\u003eInstall as part of complete IsoFlex coupling system\u003c\/li\u003e\n\u003cli data-start=\"3045\" data-end=\"3089\"\u003eEnsure correct durometer for application\u003c\/li\u003e\n\u003cli data-start=\"3090\" data-end=\"3143\"\u003eInspect bushings and hardware during installation\u003c\/li\u003e\n\u003cli data-start=\"3144\" data-end=\"3175\"\u003eTorque all fasteners evenly\u003c\/li\u003e\n\u003cli data-start=\"3176\" data-end=\"3217\"\u003eRe-check alignment after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3219\" data-end=\"3222\"\u003e\n\u003ch2 data-start=\"3224\" data-end=\"3266\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3227\" data-end=\"3266\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"3268\" data-end=\"3296\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3272\" data-end=\"3296\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3297\" data-end=\"3343\"\u003e\n\u003cli data-start=\"3297\" data-end=\"3343\"\u003eIsoFlex: \u003cstrong data-start=\"3308\" data-end=\"3341\"\u003eIFV30 HD-16S (Red \/ Shore 60)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3345\" data-end=\"3348\"\u003e\n\u003ch3 data-start=\"3350\" data-end=\"3376\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3354\" data-end=\"3376\"\u003eRelated Components\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3377\" data-end=\"3464\"\u003e\n\u003cli data-start=\"3377\" data-end=\"3417\"\u003eIsoFlex Couplings (e.g., IFC series)\u003c\/li\u003e\n\u003cli data-start=\"3418\" data-end=\"3464\"\u003eIsoFlex T-Bushing Kits (e.g., TBUSHKIT3\/4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3466\" data-end=\"3469\"\u003e\n\u003ch2 data-start=\"3471\" data-end=\"3488\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3474\" data-end=\"3486\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3489\" data-end=\"3554\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-start=\"3556\" data-end=\"3559\"\u003e\n\u003ch3 data-start=\"3561\" data-end=\"3588\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"3589\" data-end=\"3751\"\u003eThe color matters here—\u003cstrong data-start=\"3612\" data-end=\"3630\"\u003ered (Shore 60)\u003c\/strong\u003e is the most common “balanced” option. Too soft and you get excess movement, too hard and you lose vibration isolation 👍\u003c\/p\u003e","brand":"GLO","offers":[{"title":"Default Title","offer_id":43563812978724,"sku":"IFV30HD-16S","price":192.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/Isoflex-Coupling-Main-SpicerUni2.jpg?v=1774303794"},{"product_id":"isoflex-flexible-coupling-ifc640095","title":"Isoflex Flexible Coupling IFC640095","description":"\u003cp data-end=\"552\" data-start=\"215\"\u003eThe \u003cstrong data-end=\"258\" data-start=\"219\"\u003eIsoFlex Flexible Coupling IFC640095\u003c\/strong\u003e is a high-performance marine driveline component designed to connect the gearbox output flange to the propeller shaft while absorbing vibration and reducing shock loads. This flexible coupling improves drivetrain smoothness, protects critical components, and enhances overall system longevity.\u003c\/p\u003e\n\u003cp data-end=\"828\" data-start=\"554\"\u003eConstructed from high-strength composite material, the IsoFlex coupling allows slight flex under load to compensate for minor misalignment between engine and shaft. This reduces wear on bearings, seals, and transmission components while maintaining efficient power transfer.\u003c\/p\u003e\n\u003cp data-end=\"985\" data-start=\"830\"\u003eThe IFC640095 is commonly used in \u003cstrong data-end=\"901\" data-start=\"864\"\u003einboard marine propulsion systems\u003c\/strong\u003e, particularly in applications requiring vibration damping and driveline protection.\u003c\/p\u003e\n\u003chr data-end=\"990\" data-start=\"987\"\u003e\n\u003ch2 data-end=\"1011\" data-start=\"992\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1011\" data-start=\"995\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1284\" data-start=\"1012\"\u003e\n\u003cli data-end=\"1049\" data-start=\"1012\"\u003eGenuine IsoFlex flexible coupling\u003c\/li\u003e\n\u003cli data-end=\"1100\" data-start=\"1050\"\u003eAbsorbs vibration and reduces drivetrain shock\u003c\/li\u003e\n\u003cli data-end=\"1145\" data-start=\"1101\"\u003eCompensates for minor shaft misalignment\u003c\/li\u003e\n\u003cli data-end=\"1187\" data-start=\"1146\"\u003eProtects gearbox, shaft, and bearings\u003c\/li\u003e\n\u003cli data-end=\"1228\" data-start=\"1188\"\u003eHigh-strength composite construction\u003c\/li\u003e\n\u003cli data-end=\"1284\" data-start=\"1229\"\u003eCorrosion-resistant and maintenance-friendly design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1289\" data-start=\"1286\"\u003e\n\u003ch2 data-end=\"1311\" data-start=\"1291\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1311\" data-start=\"1294\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"1345\" data-start=\"1313\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1345\" data-start=\"1317\"\u003eIsoFlex Coupling Systems\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1508\" data-start=\"1346\"\u003e\n\u003cli data-end=\"1399\" data-start=\"1346\"\u003eDesigned for IsoFlex flexible coupling assemblies\u003c\/li\u003e\n\u003cli data-end=\"1462\" data-start=\"1400\"\u003eCompatible with matching IsoFlex bushings (e.g., IFC-1619)\u003c\/li\u003e\n\u003cli data-end=\"1508\" data-start=\"1463\"\u003eSupports multi-bolt flange configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1513\" data-start=\"1510\"\u003e\n\u003ch3 data-end=\"1552\" data-start=\"1515\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1552\" data-start=\"1519\"\u003eMarine Driveline Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1570\" data-start=\"1553\"\u003eCommonly used in:\u003c\/p\u003e\n\u003cul data-end=\"1714\" data-start=\"1571\"\u003e\n\u003cli data-end=\"1597\" data-start=\"1571\"\u003eInboard marine engines\u003c\/li\u003e\n\u003cli data-end=\"1633\" data-start=\"1598\"\u003eShaft-driven propulsion systems\u003c\/li\u003e\n\u003cli data-end=\"1671\" data-start=\"1634\"\u003eGearbox-to-prop shaft connections\u003c\/li\u003e\n\u003cli data-end=\"1714\" data-start=\"1672\"\u003eDiesel and gasoline marine drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1804\" data-start=\"1716\"\u003e➡️ Suitable for a wide range of marine engines depending on flange size and bolt pattern\u003c\/p\u003e\n\u003chr data-end=\"1809\" data-start=\"1806\"\u003e\n\u003ch2 data-end=\"1848\" data-start=\"1811\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1846\" data-start=\"1814\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1868\" data-start=\"1849\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-end=\"1983\" data-start=\"1869\"\u003e\n\u003cli data-end=\"1905\" data-start=\"1869\"\u003eFlange diameter and bolt pattern\u003c\/li\u003e\n\u003cli data-end=\"1941\" data-start=\"1906\"\u003eShaft and gearbox configuration\u003c\/li\u003e\n\u003cli data-end=\"1983\" data-start=\"1942\"\u003eCoupling size and torque requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2103\" data-start=\"1985\"\u003e⚠️ Always confirm compatibility using your \u003cstrong data-end=\"2086\" data-start=\"2028\"\u003ecoupling dimensions, bolt pattern, and driveline specs\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003chr data-end=\"2108\" data-start=\"2105\"\u003e\n\u003ch2 data-end=\"2131\" data-start=\"2110\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2131\" data-start=\"2113\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2337\" data-start=\"2132\"\u003e\n\u003cli data-end=\"2162\" data-start=\"2132\"\u003ePart Number: \u003cstrong data-end=\"2160\" data-start=\"2147\"\u003eIFC640095\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2196\" data-start=\"2163\"\u003eType: Flexible shaft coupling\u003c\/li\u003e\n\u003cli data-end=\"2231\" data-start=\"2197\"\u003eMaterial: Reinforced composite\u003c\/li\u003e\n\u003cli data-end=\"2295\" data-start=\"2232\"\u003eFunction: Vibration dampening and misalignment compensation\u003c\/li\u003e\n\u003cli data-end=\"2337\" data-start=\"2296\"\u003eApplication: Marine driveline systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2342\" data-start=\"2339\"\u003e\n\u003ch2 data-end=\"2366\" data-start=\"2344\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2366\" data-start=\"2347\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2411\" data-start=\"2367\"\u003e\n\u003cli data-end=\"2411\" data-start=\"2367\"\u003eIsoFlex flexible coupling disc (IFC640095)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2416\" data-start=\"2413\"\u003e\n\u003ch2 data-end=\"2457\" data-start=\"2418\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2457\" data-start=\"2421\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2493\" data-start=\"2458\"\u003eReplace the coupling if you notice:\u003c\/p\u003e\n\u003cul data-end=\"2624\" data-start=\"2494\"\u003e\n\u003cli data-end=\"2517\" data-start=\"2494\"\u003eExcessive vibration\u003c\/li\u003e\n\u003cli data-end=\"2553\" data-start=\"2518\"\u003eVisible cracking or deformation\u003c\/li\u003e\n\u003cli data-end=\"2589\" data-start=\"2554\"\u003eDriveline noise or misalignment\u003c\/li\u003e\n\u003cli data-end=\"2624\" data-start=\"2590\"\u003eWear during routine inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2629\" data-start=\"2626\"\u003e\n\u003ch2 data-end=\"2656\" data-start=\"2631\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2656\" data-start=\"2634\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2849\" data-start=\"2657\"\u003e\n\u003cli data-end=\"2704\" data-start=\"2657\"\u003eEnsure proper alignment before installation\u003c\/li\u003e\n\u003cli data-end=\"2742\" data-start=\"2705\"\u003eUse correct bushings and hardware\u003c\/li\u003e\n\u003cli data-end=\"2778\" data-start=\"2743\"\u003eTorque bolts evenly in sequence\u003c\/li\u003e\n\u003cli data-end=\"2820\" data-start=\"2779\"\u003eRe-check alignment after installation\u003c\/li\u003e\n\u003cli data-end=\"2849\" data-start=\"2821\"\u003eReplace bushings if worn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2854\" data-start=\"2851\"\u003e\n\u003ch2 data-end=\"2898\" data-start=\"2856\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2898\" data-start=\"2859\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"2928\" data-start=\"2900\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2928\" data-start=\"2904\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2953\" data-start=\"2929\"\u003e\n\u003cli data-end=\"2953\" data-start=\"2929\"\u003eIsoFlex: \u003cstrong data-end=\"2953\" data-start=\"2940\"\u003eIFC640095\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2958\" data-start=\"2955\"\u003e\n\u003ch3 data-end=\"2986\" data-start=\"2960\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2986\" data-start=\"2964\"\u003eRelated Components\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"3065\" data-start=\"2987\"\u003e\n\u003cli data-end=\"3030\" data-start=\"2987\"\u003eIsoFlex T-Bushings (e.g., \u003cstrong data-end=\"3027\" data-start=\"3015\"\u003eIFC-1619\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-end=\"3065\" data-start=\"3031\"\u003eIsoFlex coupling hardware kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3070\" data-start=\"3067\"\u003e\n\u003ch2 data-end=\"3089\" data-start=\"3072\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"3087\" data-start=\"3075\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"3155\" data-start=\"3090\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-end=\"3160\" data-start=\"3157\"\u003e\n\u003ch3 data-end=\"3189\" data-start=\"3162\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"3353\" data-start=\"3190\"\u003eFlexible couplings like this are cheap insurance—if you’re seeing vibration or doing a shaft alignment, it’s often worth replacing the coupling at the same time 👍\u003c\/p\u003e","brand":"ISOFLEX","offers":[{"title":"Default Title","offer_id":43563816058916,"sku":"IFC640095","price":1060.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/IFC640095.png?v=1772424206"},{"product_id":"volvo-149","title":"Volvo Penta Flexible Coupling","description":"\u003cp\u003eOEM Volvo Penta flexible coupling for marine drivetrain applications. Designed to absorb vibration and misalignment between engine and transmission components while maintaining reliable power transfer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM Volvo Penta part\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant marine-grade construction\u003c\/li\u003e\n\u003cli\u003eReduces drivetrain vibration and noise\u003c\/li\u003e\n\u003cli\u003eDirect replacement component\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563986059300,"sku":"21373176","price":1474.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/39164976.png?v=1772422213"},{"product_id":"volvo-238","title":"Volvo Penta Shaft Coupling 21827365","description":"\u003cp\u003eVolvo Penta 21827365 is a genuine OEM shaft coupling used in inboard driveline installations. Current Volvo Penta parts references identify it as a \u003cstrong\u003eclamp-type propeller shaft coupling for 25 mm shaft diameter\u003c\/strong\u003e applications, and the strongest public application trail ties it to \u003cstrong\u003eD1 engines with MS10 and MS15 gearboxes\u003c\/strong\u003e. Current Volvo Penta references also show earlier part numbers \u003cstrong\u003e827924\u003c\/strong\u003e and \u003cstrong\u003e827925\u003c\/strong\u003e updating to \u003cstrong\u003e21827365\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM shaft coupling, part number \u003cstrong\u003e21827365\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClamp-type coupling for \u003cstrong\u003e25 mm propeller shaft\u003c\/strong\u003e applications.\u003c\/li\u003e\n\u003cli\u003eTwo-piece conic design for central alignment and strong torsional hold without shaft damage.\u003c\/li\u003e\n\u003cli\u003eDesigned for installation without tapering or keyway cutting on the shaft.\u003c\/li\u003e\n\u003cli\u003eCurrent reference dimensions: approximately \u003cstrong\u003e63 mm length\u003c\/strong\u003e, \u003cstrong\u003e102 mm diameter\u003c\/strong\u003e, and \u003cstrong\u003e3.1 kg weight\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe strongest supportable fitment trail for Volvo Penta 21827365 is with \u003cstrong\u003eD1 engine applications using MS10 or MS15 gearboxes\u003c\/strong\u003e. Public Volvo Penta coupling references specifically place this 25 mm clamp-type version in that engine and gearbox combination, so the safest fitment standard is the exact Volvo Penta driveline specification for the engine, gearbox, and shaft diameter being serviced.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFitment can vary by engine version, gearbox, shaft diameter, and driveline configuration. Confirm Volvo Penta part number \u003cstrong\u003e21827365\u003c\/strong\u003e against the exact engine serial number, gearbox model, and \u003cstrong\u003e25 mm shaft size\u003c\/strong\u003e before ordering, especially on boats that may have had prior shaft, gearbox, or coupling changes.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this shaft coupling when the existing coupling shows fretting, distortion, loosening, corrosion, vibration-related wear, or damage from driveline misalignment. It is also a sensible replacement when upgrading or rebuilding a driveline where the shaft diameter and gearbox application match this exact Volvo Penta coupling specification.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis coupling is designed to simplify installation by avoiding taper machining and keyway cutting, but it still needs to be matched to the correct shaft size and driveline setup. Volvo Penta's public reference describes it as a two-piece conic coupling with alignment-focused design, so proper shaft preparation, correct shaft tolerance, and careful driveline alignment remain important during installation. Current Volvo Penta guidance for this coupling family notes a required shaft tolerance of \u003cstrong\u003eh9 (0 to -0.052 mm)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent Volvo Penta parts references show \u003cstrong\u003e827924\u003c\/strong\u003e and \u003cstrong\u003e827925\u003c\/strong\u003e as earlier part numbers updated to \u003cstrong\u003e21827365\u003c\/strong\u003e. Use \u003cstrong\u003e21827365\u003c\/strong\u003e as the current primary OEM ordering number for this listing.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eShaft couplings are one of those parts that look simple until shaft diameter or gearbox details are slightly off. Matching the exact shaft size and gearbox combination first usually saves much more time than trying to make a near-match work during alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989827620,"sku":"21827365","price":728.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/21827365.png?v=1772423386"},{"product_id":"volvo-244","title":"Volvo Penta Flexible Coupling 21882313","description":"\u003cp data-start=\"73\" data-end=\"619\"\u003eVolvo Penta 21882313 is a genuine OEM flexible coupling used in Volvo Penta marine propulsion driveline service. Current Volvo Penta parts references place it in the \u003cstrong data-start=\"239\" data-end=\"287\"\u003eFlywheel Housing and Primary Shaft, Extended\u003c\/strong\u003e assembly as schematic key 3, and the strongest public application trail ties it to \u003cstrong data-start=\"371\" data-end=\"401\"\u003eDPH-D1 \/ Marine Propulsion\u003c\/strong\u003e layouts. Current parts references also show \u003cstrong data-start=\"446\" data-end=\"458\"\u003e21581138\u003c\/strong\u003e as an earlier number replaced by \u003cstrong data-start=\"492\" data-end=\"504\"\u003e21882313\u003c\/strong\u003e, and newer catalog trails show \u003cstrong data-start=\"536\" data-end=\"548\"\u003e21882313\u003c\/strong\u003e itself updating to \u003cstrong data-start=\"568\" data-end=\"580\"\u003e23549677\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"621\" data-end=\"640\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"624\" data-end=\"640\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"641\" data-end=\"1270\"\u003e\n\u003cli data-start=\"641\" data-end=\"749\"\u003eGenuine Volvo Penta OEM flexible coupling, part number \u003cstrong data-start=\"698\" data-end=\"710\"\u003e21882313\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"892\"\u003eListed as \u003cstrong data-start=\"762\" data-end=\"783\"\u003eFlexible Coupling\u003c\/strong\u003e in Volvo Penta flywheel housing and primary shaft assembly references. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"893\" data-end=\"1021\"\u003eStrongest public diagram trail places it in \u003cstrong data-start=\"939\" data-end=\"969\"\u003eDPH-D1 \/ Marine Propulsion\u003c\/strong\u003e applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1022\" data-end=\"1144\"\u003ePublic Volvo Penta reseller references show \u003cstrong data-start=\"1068\" data-end=\"1080\"\u003e21581138\u003c\/strong\u003e replaced by \u003cstrong data-start=\"1093\" data-end=\"1105\"\u003e21882313\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1270\"\u003eCurrent Volvo Penta parts references also show \u003cstrong data-start=\"1194\" data-end=\"1206\"\u003e21882313\u003c\/strong\u003e replaced by \u003cstrong data-start=\"1219\" data-end=\"1231\"\u003e23549677\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1272\" data-end=\"1299\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1275\" data-end=\"1299\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1300\" data-end=\"1854\"\u003eThe strongest supportable fitment trail for Volvo Penta 21882313 is in \u003cstrong data-start=\"1371\" data-end=\"1399\"\u003eDPH-D1 marine propulsion\u003c\/strong\u003e assemblies, specifically in the flywheel housing and primary shaft extended layout. Public diagram references also show a serial-number break where \u003cstrong data-start=\"1548\" data-end=\"1560\"\u003e21882313\u003c\/strong\u003e applies from \u003cstrong data-start=\"1574\" data-end=\"1592\"\u003eSN 2006039887-\u003c\/strong\u003e, while \u003cstrong data-start=\"1600\" data-end=\"1612\"\u003e21424060\u003c\/strong\u003e appears before that break in the same assembly position. The safest fitment standard is the exact Volvo Penta parts diagram and serial-number-based lookup for the engine and drive package being serviced. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1856\" data-end=\"1891\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1859\" data-end=\"1891\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1892\" data-end=\"2265\"\u003eFitment can vary by propulsion package, flywheel housing arrangement, and serial-number range. Confirm Volvo Penta part number \u003cstrong data-start=\"2019\" data-end=\"2031\"\u003e21882313\u003c\/strong\u003e against the exact engine serial number and the correct flywheel housing \/ primary shaft diagram before ordering, especially when working across the serial break shown in current parts references. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"2267\" data-end=\"2306\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2270\" data-end=\"2306\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2307\" data-end=\"2895\"\u003eReplace this flexible coupling when the driveline shows vibration, coupling wear, cracking, distortion, looseness, or deterioration during inspection, or whenever the coupling has been removed during adjacent flywheel housing or primary shaft service and no longer offers dependable torsional isolation. This part is intended to protect the driveline by absorbing movement and shock at the coupling point, so wear in this area is worth addressing early. This functional description is partly an inference based on the part type and assembly location. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"2897\" data-end=\"2922\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2900\" data-end=\"2922\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2923\" data-end=\"3394\"\u003eMatch the coupling to the exact Volvo Penta driveline assembly and serial-number range before installation. Because current public references are strongest on the diagram position and replacement trail, using the correct Volvo Penta parts breakdown is the best cross-check before ordering or reassembly. If your application has already been updated, \u003cstrong data-start=\"3273\" data-end=\"3285\"\u003e23549677\u003c\/strong\u003e is the current replacement number shown in Volvo Penta parts channels. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"3396\" data-end=\"3436\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3399\" data-end=\"3436\"\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3437\" data-end=\"3747\"\u003eCurrent parts references show \u003cstrong data-start=\"3467\" data-end=\"3479\"\u003e21581138\u003c\/strong\u003e as an earlier number replaced by \u003cstrong data-start=\"3513\" data-end=\"3525\"\u003e21882313\u003c\/strong\u003e, and \u003cstrong data-start=\"3531\" data-end=\"3543\"\u003e21882313\u003c\/strong\u003e as a discontinued number replaced by \u003cstrong data-start=\"3581\" data-end=\"3593\"\u003e23549677\u003c\/strong\u003e. Use \u003cstrong data-start=\"3599\" data-end=\"3611\"\u003e23549677\u003c\/strong\u003e as the current Volvo Penta ordering number when your catalog lookup points to the updated part. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"3749\" data-end=\"3774\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3752\" data-end=\"3774\"\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3775\" data-end=\"4106\"\u003eFlexible couplings are easy to underestimate because they sit between bigger driveline components, but a mismatch here can create vibration, noise, and repeat labor fast. Matching the exact Volvo Penta serial-number-based diagram first is usually much safer than ordering by part name alone. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4108\" data-end=\"4177\"\u003e\u003cstrong data-start=\"4108\" data-end=\"4121\"\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563990024228,"sku":"21882313","price":1651.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/21882313.png?v=1772422679"},{"product_id":"volvo-385","title":"Volvo Penta Flexible Coupling","description":"\u003cp\u003eOEM Volvo Penta flexible coupling for marine drivetrain applications. Designed to absorb vibration and misalignment between engine and transmission components while maintaining reliable power transfer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM Volvo Penta part\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant marine-grade construction\u003c\/li\u003e\n\u003cli\u003eReduces drivetrain vibration and noise\u003c\/li\u003e\n\u003cli\u003eDirect replacement component\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eTypically ships in 4–5 business days. Availability confirmed upon order.\u003c\/em\u003e\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563995168804,"sku":"23549677","price":3142.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/23549677.png?v=1772423179"},{"product_id":"west-466","title":"3.5\" X 4\" OD Fiberglass Coupling CEN-1200222","description":"\u003cp\u003ePremium fiberglass coupling for marine applications. 3.5\" x 4\" OD construction provides reliable connection for shaft and drive systems. Engineered for durability in harsh marine environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 3.5\" x 4\" OD\u003c\/li\u003e\n\u003cli\u003eMaterial: Fiberglass construction\u003c\/li\u003e\n\u003cli\u003eSKU: CEN-1200222\u003c\/li\u003e\n\u003cli\u003eApplication: Marine shaft couplings and drive components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564126666788,"sku":"CEN-1200222","price":200.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/s-l1200-5.webp?v=1772651329"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/collections\/Shaft_couplings_flanges_flexible_couplers.png?v=1768369614","url":"https:\/\/marisolmarine.com\/collections\/shaft-couplings-flanges-flexible-couplers-1.oembed","provider":"Marisol Marine Company","version":"1.0","type":"link"}