{"product_id":"flexible-rubber-water-pump-impeller-6303-0003","title":"Flexible Rubber Water Pump Impeller 6303-0003 – 6 Blade Nitrile 51 mm Single Flat Drive – Fits Johnson 09-824P-9","description":"\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: linear-gradient(135deg, #f5f8fb 0%, #ffffff 100%); border: 2px solid #0b3a63; border-left: 5px solid #0b3a63; border-radius: 12px; box-shadow: 0 4px 12px rgba(11, 58, 99, 0.08);\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; padding: 0; font-size: 24px; line-height: 1.3; font-weight: 700; color: #132238;\"\u003eHow to Match This Part\u003c\/h2\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis is a flexible nitrile rubber impeller for oil-resistant bilge, waste, macerator and diesel-transfer pumps. It sits inside the pump housing behind the cover plate and is driven by a single flat on the shaft (a D-shaped bore in the hub). It replaces the primary original part number \u003cstrong style=\"font-weight: 700; color: #132238;\"\u003eJabsco 6303-0003\u003c\/strong\u003e, and is also supplied against Jabsco 7273-0003, Johnson 09-824P-9 and JMP 7033.\u003c\/p\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n    \u003cstrong style=\"font-weight: 700; color: #132238;\"\u003eMatch this part by checking your pump in this order:\u003c\/strong\u003e\u003cbr\u003e\n    1. \u003cstrong\u003eOriginal impeller part number\u003c\/strong\u003e (stamped on the old impeller or listed in the pump section of your parts catalog)\u003cbr\u003e\n    2. \u003cstrong\u003eDrive type\u003c\/strong\u003e (this listing is a single-flat \/ D-bore, not a pin drive)\u003cbr\u003e\n    3. \u003cstrong\u003eCompound\u003c\/strong\u003e (this listing is nitrile for oil, diesel and contaminated water, not the neoprene 6303-0001 cooling impeller)\u003cbr\u003e\n    4. \u003cstrong\u003ePump model\u003c\/strong\u003e (cast or labelled on the pump body)\n  \u003c\/p\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eIdentify it physically before ordering. This impeller has six vanes moulded in black nitrile around a plastic insert. Jabsco and JMP both list the size as 51 mm diameter, 22 mm width and 8 mm (5\/16 in.) bore with a single flat drive. It is not interchangeable with the neoprene 6303-0001 \/ 7053-01 cooling impeller, with pin-drive 51 × 22 mm impellers such as 653-0001, or with the smaller 12 mm D-slot JMP 7013-01.\u003c\/p\u003e\n  \u003cul style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0 0; padding: 0; list-style: none;\"\u003e\n    \u003cli style=\"margin: 0; padding: 14px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; font-size: 15px; line-height: 1.5;\"\u003e✓ Primary OEM: Jabsco 6303-0003\u003c\/li\u003e\n    \u003cli style=\"margin: 0; padding: 14px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; font-size: 15px; line-height: 1.5;\"\u003e✓ Product form: 6-blade nitrile impeller, plastic insert, 8 mm single flat drive\u003c\/li\u003e\n    \u003cli style=\"margin: 0; padding: 14px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; font-size: 15px; line-height: 1.5;\"\u003e✓ Fitment: part number, then drive type, then pump model\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px; box-shadow: 0 2px 8px rgba(19, 34, 56, 0.04);\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003ePart Number Cross-Reference\u003c\/h2\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eUse this table to confirm equivalent part numbers. Jabsco 6303-0003-P is the genuine retail kit of 6303-0003. This listing is the impeller only.\u003c\/p\u003e\n  \u003cdiv style=\"margin: 16px 0; overflow-x: auto; border: 1px solid #e0e6ed; border-radius: 8px;\"\u003e\n    \u003ctable style=\"width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background: #132238; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px; text-transform: uppercase; border-bottom: 2px solid #0b3a63;\"\u003eType\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px; text-transform: uppercase; border-bottom: 2px solid #0b3a63;\"\u003eBrand\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px; text-transform: uppercase; border-bottom: 2px solid #0b3a63;\"\u003ePart Number\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px; text-transform: uppercase; border-bottom: 2px solid #0b3a63;\"\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eOEM\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJabsco Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e6303-0003\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003ePrimary reference. Profile H. 6303-0003-P is the kit number. 6303-0001 is the neoprene cooling impeller, not this listing\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eOEM\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJabsco Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e7273-0003\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSource-sheet second Jabsco number. Same 6-blade, 51 × 22 × 8 mm single-flat size; Jabsco charts list it as Profile G. Confirm profile on the old impeller\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eOEM\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJohnson Pump (SPX Flow)\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e09-824P-9\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eNitrile single-flat impeller. 09-824P without the -9 suffix is the neoprene cooling counterpart\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eOEM\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e7033\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSource-sheet JMP number, retained as supplied. Current JMP nitrile \/ bilge impeller for this size is 7053-02\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eOEM\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e7053-02\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP current 6-blade, 51 × 22 × 8 mm single-flat bilge impeller. Replaces 6303-0003. 7053-01 is neoprene, not this listing\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eAftermarket\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eAncor\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJ050011\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP 7053-02 and Jabsco 6303-0003 equivalent lists\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003e\u003cstrong\u003eOther brand\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eIndustry interchange\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003e888-157-N\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eSource-sheet other-brand number for this SKU. Manufacturer not independently verified\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eCompatible Engine Models\u003c\/h2\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis nitrile impeller is specified for bilge, waste, macerator and diesel-transfer pumps, not for Yanmar raw-water cooling pumps. Match the original impeller number and the 8 mm single-flat bore. Do not order this part for a pump that calls for neoprene 6303-0001 \/ 09-824P \/ 7053-01 \/ Yanmar 14242-050.\u003c\/p\u003e\n  \u003cdiv style=\"margin: 16px 0; overflow-x: auto; border: 1px solid #e0e6ed; border-radius: 8px;\"\u003e\n    \u003ctable style=\"width: 100%; min-width: 700px; border-collapse: collapse; font-size: 15px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background: #132238; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px;\"\u003eBrand\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px;\"\u003eEngine \/ Pump Model\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px;\"\u003eOriginal Part No.\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700; font-size: 14px;\"\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJabsco Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eWater Puppy, 37010-series electric toilets, macerators and diesel-transfer pumps specified for 6303-0003\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e6303-0003\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eNitrile, Profile H, plastic insert, 8 mm single-flat drive\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJabsco Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003ePumps specified for impeller 7273-0003 (including 12520-0003 \/ 12520-1003 \/ 12520-0273 \/ 12520-1273 listed by Jabsco retailers)\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e7273-0003\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSame size; confirm Profile G on the old impeller\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJohnson Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003ePumps specified for impeller 09-824P-9\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e09-824P-9\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eNitrile F4-size single-flat impeller. Do not substitute 09-824P (neoprene)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eJMP Pump\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eBilge \/ utility pumps specified for 7053-02\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003e7053-02\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003e51 × 22 × 8 mm, 6 blades, single flat. Source-sheet JMP number is 7033\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background: #132238; color: #ffffff;\"\u003e\n        \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700;\"\u003eSpecification\u003c\/th\u003e\n        \u003cth style=\"padding: 12px 14px; text-align: left; font-weight: 700;\"\u003eValue\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003ePart type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eFlexible rubber impeller, bilge \/ waste \/ diesel-transfer pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f5f8fb;\"\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eNumber of blades\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e6\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eImpeller diameter (A)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e51 mm (2 in.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f5f8fb;\"\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eImpeller width \/ depth (B)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e22 mm (7\/8 in.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eShaft bore diameter (C)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e8 mm (5\/16 in.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f5f8fb;\"\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eInsert \/ drive type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSingle flat drive (D-shaped bore)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eInsert material\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003ePlastic (Jabsco 6303-0003 \/ 7273-0003 specification)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f5f8fb;\"\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e\u003cstrong\u003eVane material\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eNitrile rubber (oil- and diesel-resistant)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 12px 14px;\"\u003e\u003cstrong\u003eJabsco profile\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px;\"\u003eH on 6303-0003; G on 7273-0003. Confirm on the old impeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003ePackage Contents\u003c\/h2\u003e\n  \u003cp style=\"margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis listing is for the impeller only. Please refer to the part number cross-reference table to confirm component details.\u003c\/p\u003e\n  \u003cp style=\"margin: 0; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eCover plate gaskets, O-rings and lubricant are not included. Some product photos of genuine Jabsco 6303-0003-P show a kit with gaskets, O-rings and lubricant; that kit packaging is not this listing. If your service procedure calls for a new cover seal, order it separately against your pump model.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eInstallation Guide\u003c\/h2\u003e\n  \u003col style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n    \u003cli style=\"position: relative; margin: 0 0 14px; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e1\u003c\/span\u003e\n      Isolate the pump, let it drain, and close any seacock or supply valve so fluid cannot enter the boat while the housing is open.\n    \u003c\/li\u003e\n    \u003cli style=\"position: relative; margin: 0 0 14px; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e2\u003c\/span\u003e\n      Remove the cover plate screws and lift off the cover. Keep the screws and the old gasket or O-ring together so you can compare the seal size when reassembling.\n    \u003c\/li\u003e\n    \u003cli style=\"position: relative; margin: 0 0 14px; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e3\u003c\/span\u003e\n      Note the orientation of the flat on the shaft, then grip the hub and pull the old impeller straight off. Recover any broken vane pieces from the discharge line before continuing.\n    \u003c\/li\u003e\n    \u003cli style=\"position: relative; margin: 0 0 14px; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e4\u003c\/span\u003e\n      Clean the housing bore and the wear plate, and inspect them for scoring. Apply a marine impeller lubricant or glycerine to the bore and the new vanes before fitting.\n    \u003c\/li\u003e\n    \u003cli style=\"position: relative; margin: 0 0 14px; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e5\u003c\/span\u003e\n      Align the D-shaped bore with the flat on the 8 mm pump shaft, then press the impeller in while turning the shaft in the normal direction of rotation so all six vanes lay over the same way.\n    \u003c\/li\u003e\n    \u003cli style=\"position: relative; margin: 0; padding: 0 0 0 42px; min-height: 28px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n      \u003cspan style=\"position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #0b3a63; color: #ffffff; font-size: 14px; font-weight: 700; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;\"\u003e6\u003c\/span\u003e\n      Refit the cover plate with a serviceable gasket or O-ring, tighten the screws evenly in a crisscross pattern, restore the supply, then start the pump and confirm flow and no leaks at the cover.\n    \u003c\/li\u003e\n  \u003c\/ol\u003e\n  \u003cp style=\"margin: 12px 0 0; padding: 12px 14px; background: #f5f8fb; border-left: 3px solid #0b3a63; font-size: 14px; line-height: 1.5; color: #5c6b7a; border-radius: 4px;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Professional installation is recommended to ensure safety and optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      How do I confirm this fits my pump?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eStart from the original impeller number. If the old part is Jabsco 6303-0003 or 7273-0003, Johnson 09-824P-9, JMP 7033 or 7053-02, or Ancor J050011, and the hub is a D-shaped 8 mm bore (not a pin hole), this impeller is the correct size. Confirm nitrile vs neoprene from the old part number suffix.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      Can I use this instead of 6303-0001?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eNo. Both parts are 6-blade, 51 × 22 × 8 mm single-flat, but 6303-0001 \/ 09-824P \/ 7053-01 is neoprene for engine cooling. This listing is nitrile for oil, diesel and contaminated water. Use the compound the pump manufacturer specifies.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      Will this fit a Yanmar 2GM or 3GM?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eNo. Yanmar 14242-050 is the neoprene 6303-0001 size. Most 2GM \/ 3GM raw-water pumps use 104211-42070 or 128990-42200, which are different sizes again. This nitrile impeller is not a cooling-pump spare for those engines.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      What are the signs that my impeller needs replacing?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThe usual symptoms are a weak or intermittent discharge, noisy running, and vanes that are cracked, flattened, swollen or missing on inspection. Flexible impellers are a wear item; inspect on a fixed service interval rather than waiting for failure.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      Is this a kit or just the impeller?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis listing is the impeller only. Jabsco 6303-0003-P is a kit number that adds gaskets, O-rings and lubricant.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      Is this an OEM or aftermarket part?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis listing is an aftermarket replacement part and is not an OEM component. We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0 0 12px; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      How fast do you ship and how much does it cost?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eWe offer fast global shipping, typically 5–15 days worldwide, and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"margin: 0; padding: 0; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 8px; overflow: hidden;\"\u003e\n    \u003csummary style=\"display: block; padding: 14px 16px; font-size: 16px; font-weight: 700; color: #132238; cursor: pointer; list-style: none;\"\u003e\n      What is your warranty and return policy?\n      \u003cspan style=\"float: right; font-size: 20px; color: #0b3a63;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 0 16px 14px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003eThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window for unused items in original condition; please see our policy page or reach out for instructions.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0 0 24px; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eImportant Notes\u003c\/h2\u003e\n  \u003cul style=\"margin: 0; padding: 0 0 0 24px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003eVerify that the product images and specifications match your original part. If discrepancies exist, even if your model is listed, do not proceed with the purchase.\u003c\/li\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003eThe impeller is supplied on its own. Cover seals and lubricant must be ordered separately if your service procedure requires them.\u003c\/li\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003eThis is nitrile, 8 mm single-flat drive. It will not substitute for neoprene 6303-0001, pin-drive 653-0001 \/ 18673-0001, or the 12 mm D-slot JMP 7013-01.\u003c\/li\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003eNever run the pump dry. Even a few seconds without fluid will damage the vanes.\u003c\/li\u003e\n    \u003cli style=\"margin: 0;\"\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin: 0; padding: 24px; background: #ffffff; border: 1px solid #e0e6ed; border-radius: 12px;\"\u003e\n  \u003ch2 style=\"margin: 0 0 16px; font-size: 24px; font-weight: 700; color: #132238;\"\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n  \u003cul style=\"margin: 0; padding: 0 0 0 24px; font-size: 16px; line-height: 1.6; color: #132238;\"\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003e\n\u003cstrong style=\"font-weight: 700;\"\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n    \u003cli style=\"margin: 0 0 8px;\"\u003e\n\u003cstrong style=\"font-weight: 700;\"\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n    \u003cli style=\"margin: 0;\"\u003e\n\u003cstrong style=\"font-weight: 700;\"\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":54419328631097,"sku":"17FI009","price":28.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/17FI009_888157N--H-157N_1.png?v=1788359469","url":"https:\/\/jlmmarine.com\/products\/flexible-rubber-water-pump-impeller-6303-0003","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}