{"product_id":"sierra-18-3584-1-ford-small-block-marine-water-pump","title":"Sierra 18-3584-1 Ford Small-Block Marine Circulating Water Pump","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Sierra \u003cstrong\u003e18-3584-1\u003c\/strong\u003e is a complete marine engine circulating-water pump for Ford small-block V8 engines. It fits compatible Ford \u003cstrong\u003e289, 302 and 351 CID\u003c\/strong\u003e marine applications, including 5.0L and 5.8L engines used by MerCruiser, OMC, Pleasurecraft, Volvo Penta and other marine-engine manufacturers. This is the engine-mounted circulation pump that moves coolant through the block and cylinder heads; it is not the flexible-impeller raw-water pump.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSierra part number: \u003cstrong\u003e18-3584-1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMarine circulating-water pump\u003c\/li\u003e\n\u003cli\u003eFits Ford small-block \u003cstrong\u003e289, 302 and 351 CID V8 engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for conventional and reverse-rotation marine engines\u003c\/li\u003e\n\u003cli\u003eBrass bi-directional impeller\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant stainless-steel backing plate\u003c\/li\u003e\n\u003cli\u003ePowder-coated marine-duty housing\u003c\/li\u003e\n\u003cli\u003eManufactured from a new casting—not remanufactured\u003c\/li\u003e\n\u003cli\u003eMounting gasket included\u003c\/li\u003e\n\u003cli\u003eUPC references: \u003cstrong\u003e808282377939\u003c\/strong\u003e and \u003cstrong\u003e808282258795\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirmed applications include compatible Ford small-block marine engines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFord \u003cstrong\u003e289 CID V8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFord \u003cstrong\u003e302 CID \/ 5.0L V8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFord \u003cstrong\u003e351 CID \/ 5.8L V8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMerCruiser Ford-powered marine engines\u003c\/li\u003e\n\u003cli\u003eOMC Ford-powered marine engines\u003c\/li\u003e\n\u003cli\u003ePleasurecraft Marine \/ PCM Ford applications\u003c\/li\u003e\n\u003cli\u003eVolvo Penta Ford-powered applications\u003c\/li\u003e\n\u003cli\u003eMerCruiser models \u003cstrong\u003e215, 255 and 888\u003c\/strong\u003e, where the original pump number matches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDo not select this pump solely because the engine is described as a Ford 302 or 351. Ford-based marine engines can use different front covers, pulley arrangements, hose connections and accessory-drive configurations.\u003c\/p\u003e\n\u003cp\u003eConfirm the original pump number, engine model and mounting arrangement against one of the supported cross references before ordering. This pump is bi-directional and can support conventional- or reverse-rotation engines, but the physical pump configuration must still match the installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace the circulating pump when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoolant leaks from the shaft seal or housing\u003c\/li\u003e\n\u003cli\u003eThe pump bearing becomes noisy or rough\u003c\/li\u003e\n\u003cli\u003eThe pulley develops wobble or excessive movement\u003c\/li\u003e\n\u003cli\u003eThe engine overheats despite proper coolant level and raw-water flow\u003c\/li\u003e\n\u003cli\u003eCoolant circulation becomes weak or inconsistent\u003c\/li\u003e\n\u003cli\u003eThe housing or backing plate is badly corroded\u003c\/li\u003e\n\u003cli\u003eThe shaft binds or becomes difficult to rotate\u003c\/li\u003e\n\u003cli\u003eBelt alignment cannot be maintained because of bearing wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA leaking seal or loose pump shaft generally indicates that the complete circulating-pump assembly should be replaced.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAllow the engine to cool completely before service.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery.\u003c\/li\u003e\n\u003cli\u003eDrain the closed-cooling system below the pump level.\u003c\/li\u003e\n\u003cli\u003eRecord the original belt routing and pulley position.\u003c\/li\u003e\n\u003cli\u003eConfirm that the new pump matches the original hose outlets and mounting pattern.\u003c\/li\u003e\n\u003cli\u003eClean the engine mounting surface thoroughly.\u003c\/li\u003e\n\u003cli\u003eInstall the supplied mounting gasket.\u003c\/li\u003e\n\u003cli\u003eTighten the mounting bolts evenly to the engine manufacturer's specification.\u003c\/li\u003e\n\u003cli\u003eVerify pulley alignment before setting belt tension.\u003c\/li\u003e\n\u003cli\u003eInspect the drive belt, thermostat, hoses and clamps during service.\u003c\/li\u003e\n\u003cli\u003eRefill the system with the specified marine coolant mixture.\u003c\/li\u003e\n\u003cli\u003eBleed trapped air according to the engine service procedure.\u003c\/li\u003e\n\u003cli\u003eCheck for leaks and stable operating temperature after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate \/ Cross-Reference Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSierra: \u003cstrong\u003e18-3584-1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSierra: \u003cstrong\u003e18-3584\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSierra related replacement: \u003cstrong\u003e18-3598\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury MerCruiser: \u003cstrong\u003e56879\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury MerCruiser: \u003cstrong\u003e58086\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury MerCruiser: \u003cstrong\u003e71683\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury MerCruiser: \u003cstrong\u003e71683A1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury MerCruiser: \u003cstrong\u003e883885\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOMC \/ BRP: \u003cstrong\u003e982515\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOMC \/ BRP: \u003cstrong\u003e982517\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOMC \/ BRP: \u003cstrong\u003e3853796\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolvo Penta: \u003cstrong\u003e3853796\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePleasurecraft \/ PCM: \u003cstrong\u003eRA057004\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndmar: \u003cstrong\u003e592026\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGLM: \u003cstrong\u003e15400\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMallory Marine: \u003cstrong\u003e9-42607\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMES: \u003cstrong\u003eWP520M\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompatible \u0026amp; Related Parts\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhen servicing the Ford small-block marine cooling system, consider these related parts:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/sierra-marine-engine-circulating-water-pump-18-3575-flagged-dup\"\u003eSierra Marine Engine Circulating Water Pump 18-3575\u003c\/a\u003e – related Sierra marine circulating pump\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/arco-wp002-volvo-penta-replacement-water-pump\"\u003eARCO WP002 Volvo Penta \/ Indmar Ford 302 Replacement Water Pump\u003c\/a\u003e – alternative pump for Indmar Ford 302 \/ Volvo Penta applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/pcm-thermostat-kit-143f-rp026002e\"\u003ePCM Thermostat Kit 143°F – RP026002E\u003c\/a\u003e – thermostat service kit for PCM \/ Pleasurecraft Ford engines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/pcm-pump-to-thermostat-housing-elbow-r024002\"\u003ePCM Pump-to-Thermostat Housing Elbow – R024002\u003c\/a\u003e – cooling system elbow for PCM \/ Pleasurecraft Ford engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eengine circulating pump\u003c\/strong\u003e, not the belt-driven or crank-driven raw-water impeller pump. The strongest identification method is to match the original pump number—especially \u003cstrong\u003e71683A1, 3853796 or RA057004\u003c\/strong\u003e—and confirm the Ford small-block mounting and pulley arrangement.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51156140392484,"sku":"47-35841","price":450.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/40f19623-ab27-4295-9f1e-fb636776944a.png?v=1785213738","url":"https:\/\/marisolmarine.com\/products\/sierra-18-3584-1-ford-small-block-marine-water-pump","provider":"Marisol Marine Company","version":"1.0","type":"link"}