{"product_id":"johnson-pump-28512-motor-cartridge-for-1000-1250-gph-bilge-pump-housings-12-volt","title":"Johnson Pump 28512 Motor Cartridge for 1000\/1250 GPH Bilge Pump Housings, 12 Volt","description":"\u003cp\u003eThe Johnson Pump 28512 is a 12 volt motor cartridge built as a direct replacement for 1000 GPH and 1250 GPH cartridge-style bilge pumps. Rather than replacing an entire pump housing, this cartridge lets you swap in a fresh motor while reusing your existing base and plumbing, which keeps installation quick and keeps replacement cost down. The housing is molded in black plastic for corrosion resistance in the wet, salt-exposed environment inside a bilge compartment.\u003c\/p\u003e\u003cp\u003eThis cartridge is rated for a maximum flow rate of 16.66 gallons per minute and runs on a 12 volt DC supply, matching the voltage used across the compatible cartridge pump line. It is designed with a universal fit for cartridge pump bases built around the 1000 GPH and 1250 GPH capacity rating, so before ordering, confirm that your existing pump base and cartridge slot match this dimension and capacity. Each unit ships as a single motor cartridge only.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Johnson Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 28512\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e AC\/DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate:\u003c\/strong\u003e 16.66 gallons per minute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Capacity:\u003c\/strong\u003e 1000\/1250 GPH cartridge pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 4 inches L x 4 inches W x 4 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 7.5 inches L x 6 inches W x 3 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.69 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 729321285124\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal fit for 1000\/1250 GPH cartridge pump housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFits 1000 GPH and 1250 GPH cartridge-style bilge pumps as a universal-fit motor cartridge replacement\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat pumps does the Johnson Pump 28512 fit?\u003c\/strong\u003e The 28512 motor cartridge is built as a universal-fit replacement for 1000 GPH and 1250 GPH cartridge-style bilge pumps. Confirm your pump's cartridge slot and capacity rating match before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 28512 a full pump or just the motor?\u003c\/strong\u003e It is a motor cartridge only, not a complete pump. The 28512 replaces the internal motor cartridge in a compatible 1000\/1250 GPH pump base while you keep your existing housing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat voltage does this cartridge run on?\u003c\/strong\u003e The Johnson Pump 28512 runs on 12 volts, matching the standard voltage used on 1000\/1250 GPH cartridge bilge pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum flow rate of the 28512?\u003c\/strong\u003e This cartridge is rated for a maximum flow rate of 16.66 gallons per minute when installed in a compatible 1000\/1250 GPH pump housing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Johnson Pump 28512 weigh?\u003c\/strong\u003e The 28512 motor cartridge weighs 0.69 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 28512 cartridge made from?\u003c\/strong\u003e The Johnson Pump 28512 has a black plastic housing, chosen for corrosion resistance in a bilge environment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the 28512 cartridge?\u003c\/strong\u003e The 28512 cartridge measures 4 inches L x 4 inches W x 4 inches H, and ships in a package measuring 7.5 inches L x 6 inches W x 3 inches H.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 28512?\u003c\/strong\u003e Ordering the Johnson Pump 28512 gets you one motor cartridge unit; it does not include a pump base or mounting hardware.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 28512 a genuine Johnson Pump part?\u003c\/strong\u003e Yes, the 28512 is a genuine Johnson Pump motor cartridge, identified by UPC 729321285124.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install the 28512 myself?\u003c\/strong\u003e The 28512 is designed as a drop-in cartridge replacement for compatible 1000\/1250 GPH pump bases, so it can typically be swapped in without replumbing the pump housing, provided the cartridge slot matches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 28512 work with both 1000 GPH and 1250 GPH pumps?\u003c\/strong\u003e Yes, the Johnson Pump 28512 is rated for use in both 1000 GPH and 1250 GPH cartridge pump housings.\u003c\/p\u003e","brand":"Johnson Pump","offers":[{"title":"Default Title","offer_id":49031210402011,"sku":"MAY-28512","price":51.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/6116GUI1T6L.jpg?v=1785212065","url":"https:\/\/www.goodvibesmarina.com\/products\/johnson-pump-28512-motor-cartridge-for-1000-1250-gph-bilge-pump-housings-12-volt","provider":"Good Vibes Marina","version":"1.0","type":"link"}