{"product_id":"flexible-rubber-water-pump-impeller-6303-0001","title":"Flexible Rubber Water Pump Impeller 6303-0001 – 6 Blade Neoprene 51 mm Single Flat Drive – Fits Johnson 09-824P","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 rubber raw water \/ utility pump impeller. 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 brass insert). It replaces the primary original part number \u003cstrong style=\"font-weight: 700; color: #132238;\"\u003eJabsco 6303-0001\u003c\/strong\u003e, and is also supplied against Jabsco 7273-0001, Johnson 09-824P, JMP 7053-01 and Yanmar 14242-050.\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 engine 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\u003ePump model\u003c\/strong\u003e (cast or labelled on the pump body)\u003cbr\u003e\n    4. \u003cstrong\u003eEngine model code\u003c\/strong\u003e (on the identification plate)\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 neoprene around a machined brass insert. JMP 7053-01 is 51 mm diameter, 22 mm width and 8 mm (5\/16 in.) bore with a single flat drive. It is not interchangeable with pin-drive 51 × 22 mm impellers such as 653-0001 (12 mm pin) or 18673-0001 (12.7 mm pin), or with the smaller D-slot JMP 7013-01 (12 mm D-slot). JMP 7053-02 is the nitrile \/ bilge version of a related size, not this listing.\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 6303-0001\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 neoprene impeller, brass 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 6303-0001-P is the genuine retail kit of 6303-0001. 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;\"\u003e6303-0001\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003ePrimary reference. 6303-0001-P is the kit number. 6303-0003 is a nitrile \/ bilge 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;\"\u003e7273-0001\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSource-sheet second Jabsco number; same 6-blade single-flat size\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\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSingle flat drive impeller\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;\"\u003e7053-01\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eBare impeller. JMP 7053-01K is a kit (impeller plus ORG0052). 7053-02 is nitrile, not this listing\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;\"\u003eYanmar\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e14242-050\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eMatch this number on the old impeller. Do not assume every 1GM \/ 2GM \/ 3GM uses it\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;\"\u003eOberdorfer\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e6617\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP 7053-01 equivalent list\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\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;\"\u003eCEF\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e500210\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eJMP 7053-01 equivalent list\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\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\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eSource-sheet other-brand number for this SKU\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;\"\u003eConfirm the original impeller number and the single-flat bore. Yanmar 2GM \/ 3GM raw-water pumps more often use 104211-42070 or 128990-42200, which are different sizes.\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;\"\u003ePumps specified for impeller 6303-0001 \/ 7273-0001\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e6303-0001, 7273-0001\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e8 mm single-flat drive. Individual Water Puppy pump codes were not dual-sourced for this page\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\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\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e09-824P\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eSingle flat drive\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eYanmar\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eEngines whose parts list calls for 14242-050\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003e14242-050\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px; border-bottom: 1px solid #e0e6ed;\"\u003eMatch the original number. Do not order this impeller for a 104211-42070 or 128990-42200 pump\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f5f8fb;\"\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eOberdorfer\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003ePumps specified for impeller 6617\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003e6617\u003c\/td\u003e\n          \u003ctd style=\"padding: 12px 14px;\"\u003eJMP Grade B cross-reference\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, raw water \/ utility 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;\"\u003eMachined brass\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f5f8fb;\"\u003e\n        \u003ctd style=\"padding: 12px 14px;\"\u003e\u003cstrong\u003eVane material\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 14px;\"\u003eNeoprene rubber\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, as shown in the product images. 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. JMP 7053-01K adds O-ring ORG0052 and lubricant. 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      Stop the engine or pump, let it cool, and close the raw water seacock if one is fitted so water cannot enter the boat while the pump 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 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 brass insert and pull the old impeller straight off. Recover any broken vane pieces from the downstream cooling circuit 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-grade impeller lubricant, glycerine or soapy water to the bore and the new vanes. Do not use petroleum-based grease, which attacks neoprene.\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 in the brass insert 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, open the seacock, 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 engine?\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 6303-0001 or 7273-0001, Johnson 09-824P, JMP 7053-01, Yanmar 14242-050, Oberdorfer 6617 or CEF 500210, and the brass hub is a D-shaped 8 mm bore (not a pin hole), this impeller is the correct size.\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;\"\u003eOnly if the original impeller is 14242-050. Most 2GM \/ 3GM raw-water pumps use 104211-42070 (9.5 mm pin drive) or 128990-42200 (12 mm pin drive). Those are different listings.\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 stream of cooling or discharge water, rising temperature, and vanes that are cracked, flattened, hardened or missing on inspection. Flexible impellers are a wear item; many owners inspect annually and replace 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 6303-0001-P and JMP 7053-01K are kit numbers that add an O-ring 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 an 8 mm single-flat drive. It will not fit a pin-drive pump (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 water will damage the neoprene 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":54419328598329,"sku":"17FI008","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/11_6e2a45f3-82ed-4d69-88ef-1036942dfa34.jpg?v=1788359457","url":"https:\/\/jlmmarine.com\/products\/flexible-rubber-water-pump-impeller-6303-0001","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}