{"product_id":"merc-916","title":"Mercury MerCruiser Quicksilver Straight Hose Fitting 3\/4 NPT 866725","description":"\u003cp\u003eMercury MerCruiser Quicksilver 866725 is a genuine OEM \u003cstrong\u003estraight hose fitting\u003c\/strong\u003e used in select MerCruiser manifold, elbow, end cap, cooling, and exhaust-related service applications. The full Mercury part reference is commonly listed as \u003cstrong\u003e22-866725\u003c\/strong\u003e. This fitting is specified as \u003cstrong\u003e3\/4 NPT \/ .750-14\u003c\/strong\u003e and is commonly used where a straight hose connection is required in the MerCruiser cooling-water or exhaust manifold service layout.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM fitting.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e866725 \/ 22-866725\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eStraight fitting design.\u003c\/li\u003e\n\u003cli\u003eSize reference: \u003cstrong\u003e3\/4 NPT \/ .750-14\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCommonly associated with \u003cstrong\u003e3\/4-14 x 1\" hose fitting\u003c\/strong\u003e applications.\u003c\/li\u003e\n\u003cli\u003eBrass fitting construction is commonly referenced for this part.\u003c\/li\u003e\n\u003cli\u003eUsed in select MerCruiser manifold, elbow, riser, end cap, cooling, and exhaust service layouts.\u003c\/li\u003e\n\u003cli\u003eUPC \/ GTIN reference: \u003cstrong\u003e745061717046\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eApproximate package size reference: \u003cstrong\u003e2.13\" x 1.13\" x 1.13\"\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eApproximate package weight: \u003cstrong\u003e0.17 lb\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe strongest supportable fitment for 866725 is \u003cstrong\u003eMerCruiser cooling \/ exhaust manifold service\u003c\/strong\u003e, not engine fitment by displacement alone.\u003c\/p\u003e\n\u003cp\u003eCommonly associated applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2.5L \/ 120 GM 153 I\/L4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3.0L \/ 140 GM 181 I\/L4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3.7L \/ 470 \/ 485 \/ 488 MCM 224 CID I\/L4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eGM 305 \/ 350 V8\u003c\/strong\u003e MerCruiser applications\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003e5.0L, 5.7L, 6.2L, 350 MAG, and 377 MAG MPI\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003e7.4L \/ 454\u003c\/strong\u003e and \u003cstrong\u003e8.2L \/ 502\u003c\/strong\u003e big-block applications\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eBravo, Alpha, MIE, TR \/ TRS, and high-performance MerCruiser packages\u003c\/strong\u003e where this fitting is specified\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eVazer\u003c\/strong\u003e and emissions-control MerCruiser packages where this fitting appears in the correct service diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause this fitting appears across many MerCruiser engine families, the exact diagram location matters more than engine size alone.\u003c\/p\u003e\n\u003ch2\u003eSerial Number Fitment Notice\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by exact \u003cstrong\u003eengine or drive serial number\u003c\/strong\u003e and the correct Mercury MerCruiser \u003cstrong\u003emanifold, elbow, end cap, cooling, or exhaust\u003c\/strong\u003e parts diagram before ordering. Straight fittings can look similar, but thread size, hose size, material, and service location must match the original diagram callout.\u003c\/p\u003e\n\u003ch2\u003eWhen This Part Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eReplace this fitting when the original is corroded, cracked, seized, damaged during removal, leaking at the threads or hose connection, or no longer provides a secure hose fit. It should also be inspected during manifold, elbow, riser, or cooling-hose service.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eInstall 866725 \/ 22-866725 only after confirming the correct service diagram and fitting location. Inspect the hose, clamp, manifold or housing threads, and surrounding cooling\/exhaust components before reassembly. Use the correct marine-rated thread sealing method where specified and avoid overtightening into cast components.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eThe active Mercury OEM part number for this listing is \u003cstrong\u003e866725 \/ 22-866725\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRelated superseded or earlier OEM references include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e45084\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e22-45084\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e807155\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e22-807155\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e863804\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e22-863804\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated aftermarket reference sometimes associated with this fitting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGLM 13984\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eThe easy mistake with this fitting is matching only the hose size. On MerCruiser cooling and exhaust assemblies, the correct match depends on the \u003cstrong\u003ethread size, hose connection, material, and exact diagram location\u003c\/strong\u003e, especially around manifolds, elbows, and end caps.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563899256868,"sku":"866725","price":27.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/036bb8da-4f5b-4376-8a7d-243589d07941.png?v=1777432154","url":"https:\/\/marisolmarine.com\/products\/merc-916","provider":"Marisol Marine Company","version":"1.0","type":"link"}