{"product_id":"mps-60","title":"Johnson Pump Bilge Pump 500 GPH 32503","description":"\u003ch2\u003e\u003cstrong\u003eJohnson Pump 500 GPH Cartridge Bilge Pump 32503\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eJohnson Pump 32503 is a \u003cstrong\u003e12V non-automatic cartridge bilge pump\u003c\/strong\u003e rated at \u003cstrong\u003e500 GPH\u003c\/strong\u003e, with a \u003cstrong\u003e3\/4\" outlet\u003c\/strong\u003e and Dura-Port discharge fittings. It is built for small-boat bilge water removal where a compact electric pump is needed and automatic switching is handled separately with a float switch, electronic switch, or panel switch.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eJohnson Pump part number \u003cstrong\u003e32503\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V electric bilge pump\u003c\/strong\u003e with \u003cstrong\u003e500 GPH\u003c\/strong\u003e listed capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-automatic\u003c\/strong\u003e operation; can be paired with a compatible automatic switch or bilge control panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" discharge connection\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003estraight and 90° smooth elbow Dura-Port fittings\u003c\/strong\u003e plus a \u003cstrong\u003eremovable check valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCartridge motor design allows maintenance without removing the full pump casing from the boat and hose setup.\u003c\/li\u003e\n\u003cli\u003eOutput reference: \u003cstrong\u003e33 L\/min \/ 525 GPH at 3 ft head\u003c\/strong\u003e and \u003cstrong\u003e40 L\/min \/ 630 GPH straight\u003c\/strong\u003e at 13.6V.\u003c\/li\u003e\n\u003cli\u003eElectrical reference: \u003cstrong\u003e2.5A draw\u003c\/strong\u003e with \u003cstrong\u003e5A fuse\u003c\/strong\u003e recommendation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-specific product\u003c\/strong\u003e. It is selected by \u003cstrong\u003eboat size, bilge layout, voltage, outlet hose size, switching setup, and pumping capacity\u003c\/strong\u003e. The key application checks are a \u003cstrong\u003e12V DC system\u003c\/strong\u003e, \u003cstrong\u003e3\/4\" bilge hose\u003c\/strong\u003e, and whether a \u003cstrong\u003enon-automatic 500 GPH pump\u003c\/strong\u003e is the correct choice for the installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMatch this pump by the boat's \u003cstrong\u003ebilge system requirements\u003c\/strong\u003e rather than by engine serial number. Confirm the pump voltage, discharge hose size, mounting area, fuse sizing, and whether the system requires a separate automatic switch or manual panel control.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace the bilge pump when the motor no longer runs reliably, output is weak, the pump is clogged beyond normal service, the housing is damaged, or the existing pump can no longer keep up with bilge water removal. A non-automatic pump should also be checked alongside the float switch or panel switch when troubleshooting.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall using the correct \u003cstrong\u003e12V wiring\u003c\/strong\u003e, \u003cstrong\u003e5A fuse protection\u003c\/strong\u003e, and \u003cstrong\u003e3\/4\" discharge hose\u003c\/strong\u003e. The included straight and 90° Dura-Port fittings allow the outlet direction to be matched to the hose route, and the cartridge design supports easier service without removing the full pump base from the boat.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent references show \u003cstrong\u003e32503\u003c\/strong\u003e as the Johnson Pump model number. One current listing also shows alternate part number \u003cstrong\u003e32-1450-01\u003c\/strong\u003e for this 500 GPH cartridge bilge pump.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor bilge pumps, the important match is the \u003cstrong\u003evoltage, outlet size, and automatic vs. non-automatic setup\u003c\/strong\u003e. This 32503 pump is the non-automatic 12V version, so make sure the boat has the right switch arrangement before replacing the pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MPS","offers":[{"title":"Default Title","offer_id":43563947524132,"sku":"32503","price":63.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/b46baea5-36b5-4631-bf02-0fbbf28d3027.png?v=1777071332","url":"https:\/\/marisolmarine.com\/products\/mps-60","provider":"Marisol Marine Company","version":"1.0","type":"link"}