{"product_id":"jabsco-6303-0003-p-nitrile-impeller-gasket-kit","title":"Jabsco 6303-0003-P Nitrile Impeller \u0026 Gasket Kit","description":"\u003ch2\u003e\u003cstrong\u003eJabsco Nitrile Impeller and Gasket Kit – 6303-0003-P \/ 6-63030003P\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Jabsco 6303-0003-P is a six-blade nitrile flexible impeller kit for compatible Jabsco bilge pumps, Water Puppy pumps, macerator pumps and 37010-series electric marine toilets. Its nitrile construction is suited to pumping water that may contain oil, diesel fuel or waste material. The impeller uses a plastic hub with a single-flat drive.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eJabsco part number: \u003cstrong\u003e6303-0003-P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLand 'N' Sea SKU: \u003cstrong\u003e6-63030003P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSix flexible blades\u003c\/li\u003e\n\u003cli\u003eNitrile construction\u003c\/li\u003e\n\u003cli\u003ePlastic hub insert\u003c\/li\u003e\n\u003cli\u003eSingle-flat drive\u003c\/li\u003e\n\u003cli\u003eImpeller profile: \u003cstrong\u003eH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutside diameter: \u003cstrong\u003e2 inches \/ 50.8 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: \u003cstrong\u003e7\/8 inch \/ approximately 22.3 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eShaft diameter: \u003cstrong\u003e5\/16 inch \/ approximately 7.9 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUPC \/ GTIN: \u003cstrong\u003e671880570770\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe packaged service kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNitrile impeller: \u003cstrong\u003e6303-0003\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePaper gasket: \u003cstrong\u003e1985-0010\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo paper gaskets: \u003cstrong\u003e18596-1000\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eO-ring: \u003cstrong\u003e18753-0660\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eJohnson-pattern O-ring: \u003cstrong\u003e05-06-590\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eImpeller installation lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDocumented applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jabsco-18680-0123-water-puppy-12v-commercial-duty-pump\"\u003eJabsco 18680-0123 Water Puppy 12V Commercial Duty Pump\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jabsco-18660-0121-water-puppy-12v-standard-duty-pump\"\u003eJabsco 18660-0121 Water Puppy 12V Standard Duty Pump\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eJabsco bilge pumps\u003c\/li\u003e\n\u003cli\u003eJabsco 29X00-series pumps\u003c\/li\u003e\n\u003cli\u003eJabsco 37010-series electric marine toilets\u003c\/li\u003e\n\u003cli\u003eCompatible macerator pumps\u003c\/li\u003e\n\u003cli\u003eWastewater pumps requiring the 6303-0003-P specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFitment should be confirmed using the complete pump or toilet model because similar Jabsco impellers may share the same diameter while using different drive profiles or rubber compounds.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm that the original impeller requires:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSix blades\u003c\/li\u003e\n\u003cli\u003e2-inch outside diameter\u003c\/li\u003e\n\u003cli\u003e7\/8-inch width\u003c\/li\u003e\n\u003cli\u003e5\/16-inch shaft\u003c\/li\u003e\n\u003cli\u003eSingle-flat drive\u003c\/li\u003e\n\u003cli\u003ePlastic hub\u003c\/li\u003e\n\u003cli\u003eNitrile construction\u003c\/li\u003e\n\u003cli\u003eProfile H configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not confuse this part with the \u003cstrong\u003e6303-0001-P\u003c\/strong\u003e. The two impellers share the same principal dimensions and drive configuration, but 6303-0003-P is nitrile, while 6303-0001-P is neoprene. Nitrile is the preferred choice where oil, diesel fuel or waste contamination may be present. See also: \u003ca href=\"\/products\/jabsco-neoprene-impeller-kit-jab-836-0001-p\"\u003eJabsco Neoprene Impeller Kit JAB-836-0001-P\u003c\/a\u003e if your application calls for neoprene.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate Compound – Same Dimensions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/jabsco-6303-0007-p-6-blade-green-polyurethane-impeller-flexible-raw-water-pump\"\u003eJabsco 6303-0007-P 6-Blade Polyurethane Impeller\u003c\/a\u003e – same profile, polyurethane compound for raw water cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/jabsco-neoprene-impeller-kit-jab-836-0001-p\"\u003eJabsco Neoprene Impeller Kit JAB-836-0001-P\u003c\/a\u003e – neoprene compound for clean water service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace the impeller when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePump output becomes weak or intermittent\u003c\/li\u003e\n\u003cli\u003eThe pump struggles to prime\u003c\/li\u003e\n\u003cli\u003eThe electric toilet or macerator drains slowly\u003c\/li\u003e\n\u003cli\u003eThe blades become cracked, torn, swollen or permanently folded\u003c\/li\u003e\n\u003cli\u003ePieces are missing from the impeller\u003c\/li\u003e\n\u003cli\u003eThe plastic hub slips or becomes worn\u003c\/li\u003e\n\u003cli\u003eThe pump has operated dry\u003c\/li\u003e\n\u003cli\u003eScheduled preventive maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eJabsco guidance recommends inspecting flexible impellers regularly and replacing them preventively rather than waiting for complete failure.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect electrical power before servicing the pump or toilet.\u003c\/li\u003e\n\u003cli\u003eClose any applicable seacock or isolation valve.\u003c\/li\u003e\n\u003cli\u003eRemove the pump cover and old sealing component.\u003c\/li\u003e\n\u003cli\u003ePull the old impeller using suitable pliers or an impeller-removal tool.\u003c\/li\u003e\n\u003cli\u003eDo not pry against the pump face with a screwdriver.\u003c\/li\u003e\n\u003cli\u003eRemove any broken vane fragments from the pump and connected plumbing.\u003c\/li\u003e\n\u003cli\u003eInspect the pump chamber, cover and shaft flat for wear.\u003c\/li\u003e\n\u003cli\u003eLubricate the replacement impeller with the supplied lubricant.\u003c\/li\u003e\n\u003cli\u003eAlign the flat inside the hub with the flat on the shaft.\u003c\/li\u003e\n\u003cli\u003eInstall the correct gasket or O-ring for the pump model.\u003c\/li\u003e\n\u003cli\u003eRestore the water supply and test for proper flow and leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvoid running the flexible impeller pump dry.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent packaged part number: \u003cstrong\u003e6303-0003-P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEarlier impeller number: \u003cstrong\u003e6303-0003\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLand 'N' Sea SKU: \u003cstrong\u003e6-63030003P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact format: \u003cstrong\u003e63030003P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlternate catalogue format: \u003cstrong\u003e06303-0003-P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRelated reference: \u003cstrong\u003e6303-003-P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eJohnson Pump cross-reference: \u003cstrong\u003e09-824P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCEF cross-reference: \u003cstrong\u003e500210\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRelated pump reference: \u003cstrong\u003e23007-7813\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUPC \/ GTIN: \u003cstrong\u003e671880570770\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight – Best Use\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eChoose the 6303-0003-P (nitrile) when the pump handles bilge water, wastewater, or any liquid that may carry petroleum contamination.\u003c\/strong\u003e Nitrile resists oil and diesel degradation that would swell or destroy a neoprene impeller. For clean fresh water, salt water or engine raw-water cooling circuits, verify whether the neoprene \u003ca href=\"\/products\/jabsco-neoprene-impeller-kit-jab-836-0001-p\"\u003e6303-0001-P\u003c\/a\u003e or polyurethane \u003ca href=\"\/products\/jabsco-6303-0007-p-6-blade-green-polyurethane-impeller-flexible-raw-water-pump\"\u003e6303-0007-P\u003c\/a\u003e is the specified compound — using the wrong rubber in a clean-water cooling circuit can cause premature blade fatigue. When in doubt, match the compound to the original OEM specification for the pump model.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51156141473828,"sku":"6-63030003P","price":68.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/0ff743f9-205f-423b-a9c7-c1442012b2ff.png?v=1785178755","url":"https:\/\/marisolmarine.com\/products\/jabsco-6303-0003-p-nitrile-impeller-gasket-kit","provider":"Marisol Marine Company","version":"1.0","type":"link"}