{"product_id":"arco-wp002-volvo-penta-indmar-ford-302-replacement-water-pump","title":"ARCO WP002 Volvo Penta \/ Indmar Ford 302 Replacement Water Pump | Replaces 857451 \/ 856952","description":"\u003ch2\u003eARCO WP002 Volvo Penta \/ Indmar Ford 302 Replacement Water Pump\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e WP002 (ARCO)  |  \u003cstrong\u003eBrand:\u003c\/strong\u003e ARCO Marine  |  \u003cstrong\u003eUPC:\u003c\/strong\u003e 693006030104\u003c\/p\u003e\n\u003cp\u003eARCO \u003cstrong\u003eWP002\u003c\/strong\u003e is a complete premium replacement engine water pump for compatible \u003cstrong\u003eIndmar Ford 302\u003c\/strong\u003e marine engines and Volvo Penta installations originally equipped with pump references \u003cstrong\u003e841640\u003c\/strong\u003e, \u003cstrong\u003e856952\u003c\/strong\u003e, or \u003cstrong\u003e857451\u003c\/strong\u003e. It restores proper coolant circulation when the original pump is leaking, noisy, corroded, or mechanically worn. Every ARCO pump is factory-tested before packaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e WP002 is an ARCO aftermarket replacement pump — not a genuine Volvo Penta OEM assembly. Confirm fitment by the original pump number or engine parts diagram, not by engine displacement alone.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e WP002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ARCO Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Complete Engine Water Pump Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Closed-circuit (freshwater) engine cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1,805 g \/ approx. 4.0 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 693006030104\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp\u003eFitment is confirmed by original pump number — not engine displacement alone. Marine Ford 302 engines can use different cooling pumps depending on the mariniser, model year, and installation configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndmar Ford 302\u003c\/strong\u003e marine engine applications\u003c\/li\u003e\n\u003cli\u003eVolvo Penta installations originally specifying pump \u003cstrong\u003e841640\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta installations originally specifying pump \u003cstrong\u003e856952\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta installations originally specifying pump \u003cstrong\u003e857451\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn repowered or modified boats, confirm the pump mounting pattern, pulley arrangement, and hose connections match before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eFitment Notice\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify the original pump or engine parts diagram references one of the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARCO \u003cstrong\u003eWP002\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta \u003cstrong\u003e841640\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta \u003cstrong\u003e856952\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta \u003cstrong\u003e857451\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSierra \u003cstrong\u003e18-3586-1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not confuse WP002 with the \u003ca href=\"\/products\/11110180716580\"\u003eARCO WP003\u003c\/a\u003e, which covers different engine applications and replaces Volvo Penta \u003cstrong\u003e3860703\u003c\/strong\u003e for Indmar Ford 351 installations.\u003c\/p\u003e\n\n\u003ch2\u003eWhen to Replace the Complete Pump\u003c\/h2\u003e\n\u003cp\u003eA new impeller cannot compensate for a worn housing, failed shaft seal, or loose bearing. Replace the complete assembly when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoolant leaks from the shaft seal or housing\u003c\/li\u003e\n\u003cli\u003ePump bearing is noisy, rough, or seized\u003c\/li\u003e\n\u003cli\u003ePulley develops wobble or excessive play\u003c\/li\u003e\n\u003cli\u003eEngine temperature rises despite correct coolant level and thermostat\u003c\/li\u003e\n\u003cli\u003eCoolant circulation is weak or inconsistent\u003c\/li\u003e\n\u003cli\u003eShaft is difficult to rotate or binds\u003c\/li\u003e\n\u003cli\u003eHousing is cracked or heavily corroded\u003c\/li\u003e\n\u003cli\u003eBelt alignment cannot be maintained due to bearing wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAllow the engine to cool completely before beginning service\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery\u003c\/li\u003e\n\u003cli\u003eDrain the cooling system below the pump level\u003c\/li\u003e\n\u003cli\u003eRecord original belt routing and pulley position before removal\u003c\/li\u003e\n\u003cli\u003eInspect the drive belt, pulley, and all mounting hardware — replace worn items at the same time\u003c\/li\u003e\n\u003cli\u003eClean the engine mounting surface thoroughly before fitting the new pump\u003c\/li\u003e\n\u003cli\u003eInstall the correct gasket or sealing components per the engine service procedure\u003c\/li\u003e\n\u003cli\u003eTighten mounting bolts evenly to the specified torque\u003c\/li\u003e\n\u003cli\u003eConfirm pulley alignment before tensioning the belt\u003c\/li\u003e\n\u003cli\u003eRefill the system with the specified coolant mixture and bleed trapped air per the engine manufacturer’s procedure\u003c\/li\u003e\n\u003cli\u003eRun the engine and verify no leaks, correct belt tracking, and stable operating temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eARCO:\u003c\/strong\u003e WP002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo Penta:\u003c\/strong\u003e 841640\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo Penta:\u003c\/strong\u003e 856952\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo Penta:\u003c\/strong\u003e 857451\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra:\u003c\/strong\u003e 18-3586-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 693006030104\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/11110180716580\"\u003eARCO WP003 Volvo Penta Replacement Water Pump\u003c\/a\u003e — Ford 351 \/ Volvo Penta 3860703 variant\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131488317476\"\u003eVolvo Penta Seawater Pump 24219064\u003c\/a\u003e — D6-series seawater pump\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/11110180421668\"\u003eSierra 18-3075 Neoprene Impeller Kit\u003c\/a\u003e — raw-water pump impeller for related Volvo Penta cooling applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e WP002 is the right call when the freshwater cooling pump on an Indmar Ford 302 or a Volvo Penta installation referencing \u003cstrong\u003e841640 \/ 856952 \/ 857451\u003c\/strong\u003e has a leaking seal, noisy bearing, or is simply due for replacement as part of a cooling-system overhaul. It’s a factory-tested complete assembly — not a rebuilt unit — so you’re not inheriting the wear patterns of the old core.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon issues:\u003c\/strong\u003e The most frequent ordering mistake is confusing WP002 with the \u003ca href=\"\/products\/11110180716580\"\u003eWP003\u003c\/a\u003e. Both cover Volvo Penta \/ Indmar applications, but WP002 is the Ford 302 version and WP003 is the Ford 351 version — they are not interchangeable. Always confirm the original pump number from the three Volvo Penta references above before ordering. On repowered boats especially, the installed engine may have been swapped to a non-original configuration, so the pump number is a more reliable guide than the engine plate.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51156140556324,"sku":"57-WP002","price":634.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/e171e1cc-816f-4ddf-aa38-649b79c41714.png?v=1785207039","url":"https:\/\/marisolmarine.com\/products\/arco-wp002-volvo-penta-indmar-ford-302-replacement-water-pump","provider":"Marisol Marine Company","version":"1.0","type":"link"}