{"product_id":"johnson-pump-12v-replacement-motor-cartridge-for-750-gph-bilge-pump-jp-28572-direct-fit-for-model-32702-oem-spec","title":"Johnson Pump 12V Replacement Motor Cartridge for 750 GPH Bilge Pump — JP-28572 Direct-Fit for Model 32702, OEM Spec","description":"\u003cp\u003e\u003cstrong\u003eJohnson Pump 28572 is a direct-fit 12V replacement motor cartridge engineered to restore performance to 750 GPH cartridge-style bilge pumps (Model 32702).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 750 GPH Johnson Pump has slowed, tripped, or failed because of a worn motor cartridge, the JP-28572 replacement is built to drop into cartridge-style housings and bring the pump back to service. This replacement motor is compact, lightweight, and sized to match OEM specifications so installation is straightforward for boat owners and marine technicians. The cartridge comes packaged to protect internal components and should be verified against your pump serial\/model before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this cartridge fits my 750 GPH bilge pump?\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility by matching the replacement part number JP-28572 with your pump’s model plate and cartridge shape. The cartridge is specifically made for Johnson Pump 750 GPH cartridge pumps and is intended to replace OEM MFG# JP-28572 items in model 32702 assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your pump model and serial label for 32702 or 750 GPH designation.\u003c\/li\u003e\n  \u003cli\u003eCompare the physical cartridge dimensions and connector style before purchase.\u003c\/li\u003e\n  \u003cli\u003eContact the manufacturer or a marine technician if unsure about fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical and performance details should I expect from this 12V motor cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe JP-28572 is a 12-volt replacement motor designed to meet the power needs of a 750 GPH bilge pump. It provides the rotational force required to drive the pump impeller while matching the original pump’s electrical interface and mounting points for straightforward replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12V motor compatible with typical marine battery systems.\u003c\/li\u003e\n  \u003cli\u003eEngineered for cartridge-style pump housings used on 750 GPH units.\u003c\/li\u003e\n  \u003cli\u003eDelivers the torque and speed expected for that pump class when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation, and what tools or steps are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intended to be simple for anyone comfortable with basic marine maintenance. The cartridge swaps into the pump body without special tooling, though standard hand tools and basic electrical safety practices are recommended. Always disconnect power and follow manufacturer instructions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery or power source before starting.\u003c\/li\u003e\n  \u003cli\u003eRemove pump cover, slide out old cartridge, and install the new JP-28572.\u003c\/li\u003e\n  \u003cli\u003eSecure connections, reassemble housing, and test operation with proper bilge plumbing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I inspect after installing the replacement cartridge?\u003c\/h3\u003e\n\u003cp\u003eAfter installation, verify that the pump runs smoothly and that there are no unusual noises, leaks, or overheating. Confirm flow rate and check that the bilge circuit and float switch (if present) operate correctly to ensure reliable performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRun the pump briefly and listen for consistent motor sound and rotation.\u003c\/li\u003e\n  \u003cli\u003eInspect seals and housing for leaks or loose fasteners.\u003c\/li\u003e\n  \u003cli\u003eMeasure bilge discharge and confirm no abnormal vibration or heat build-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Johnson Pump 28572 replacement cartridge is intended for boat owners, repair yards, and marine service technicians who need a direct-fit 12V motor to restore a 750 GPH cartridge-style bilge pump (model 32702). It suits anyone comfortable performing routine pump swaps or seeking an OEM-compatible cartridge to maintain reliable bilge evacuation on recreational and workboats. Always verify pump model and electrical compatibility before purchase.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct details \u0026amp; packaging:\u003c\/strong\u003e Weight approximately 0.75 pounds. Package dimensions: 3.0\" H x 7.5\" L x 6.0\" W. Country of origin: China. Please ensure the replacement cartridge matches your pump prior to installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the JP-28572 cartridge compatible with model 32702?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, JP-28572 is made for 750 GPH cartridge pumps including the Johnson Pump model 32702, but verify your pump’s label before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install this replacement cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required; basic hand tools and safe battery-disconnect procedures are sufficient for most installations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Johnson Pump","offers":[{"title":"Default Title","offer_id":67586425127097,"sku":"B001443FY4","price":113.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/johnson-pump-front-cartridge.jpg?v=1790483288","url":"https:\/\/redleafauto.ca\/products\/johnson-pump-12v-replacement-motor-cartridge-for-750-gph-bilge-pump-jp-28572-direct-fit-for-model-32702-oem-spec","provider":"Redleaf Auto","version":"1.0","type":"link"}