{"product_id":"merc-9","title":"Mercury Mariner Outboard Fuel Pump Check Valve Kit 13424A1","description":"\u003cp\u003eThe \u003cstrong\u003eMercury MerCruiser Quicksilver Check Valve Kit 13424A1\u003c\/strong\u003e is a genuine Mercury fuel-pump check valve service part used on select Mercury \/ Mariner outboard fuel pump assemblies. It is used in the fuel pump and fuel line system to help maintain correct one-way fuel flow through the pump during engine operation. Mercury parts references list this part as \u003cstrong\u003e21-13424A1 Check Valve Assembly\u003c\/strong\u003e, with the later replacement reference \u003cstrong\u003e8M0084275\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury \/ Quicksilver fuel system service part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 13424A1\u003c\/li\u003e\n\u003cli\u003eAlso referenced as \u003cstrong\u003e21-13424A1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComponent description: \u003cstrong\u003eCheck Valve Assembly \/ Check Valve Kit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUsed in select Mercury \/ Mariner outboard fuel pump assemblies\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way fuel flow through the fuel pump circuit\u003c\/li\u003e\n\u003cli\u003eOriginal 21-13424A1 reference superseded to \u003cstrong\u003e8M0084275\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximate shipping specs listed for 21-13424A1: \u003cstrong\u003e0.06 lb\u003c\/strong\u003e, \u003cstrong\u003e4.25\" L x 2.75\" W x 0.78\" H\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\u003eCommonly referenced for select legacy \u003cstrong\u003eMercury \/ Mariner 2-stroke outboards\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e35 HP\u003c\/strong\u003e 2-cylinder applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 HP\u003c\/strong\u003e 3-cylinder applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 HP\u003c\/strong\u003e 3-cylinder applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated Mercury cross-reference and catalog references also associate this check valve family with select \u003cstrong\u003e40 \/ 402\u003c\/strong\u003e and \u003cstrong\u003e70 \/ 700\u003c\/strong\u003e Mercury \/ Mariner fuel pump applications, depending on serial range and exact parts diagram.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFuel pump check valve fitment can vary by horsepower, cylinder count, fuel pump assembly, production range, and engine serial number. Always confirm \u003cstrong\u003e13424A1 \/ 21-13424A1\u003c\/strong\u003e against your engine serial number, original fuel pump diagram, or Mercury parts catalog before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this check valve kit when the fuel pump is being serviced, or when the check valve is damaged, stuck, leaking, contaminated, or no longer maintaining proper fuel flow direction. Common fuel-system symptoms can include hard starting, poor fuel delivery, hesitation, or inconsistent running when the fuel pump assembly is no longer sealing or operating correctly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall according to the Mercury service manual for the specific engine and fuel pump assembly. During service, inspect the fuel pump diaphragm, gaskets, retainer, screws, spring, fuel lines, and sealing surfaces. Fuel system parts must be clean, correctly seated, and leak-free before the engine is returned to service.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercury \/ Quicksilver:\u003c\/strong\u003e 13424A1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercury prefix reference:\u003c\/strong\u003e 21-13424A1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperseded \/ replacement reference:\u003c\/strong\u003e 8M0084275\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelated Mercury references:\u003c\/strong\u003e 92346A3, 30430A9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelated aftermarket reference:\u003c\/strong\u003e GLM40170\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is a small fuel-pump service part, but the match is very specific. The best check is the fuel pump diagram and engine serial number, because similar Mercury \/ Mariner fuel pump assemblies can use different check valve, retainer, gasket, and diaphragm combinations.\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":"MERC","offers":[{"title":"Default Title","offer_id":43563837390884,"sku":"13424A1","price":37.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/2ebe0824-9ddc-4664-899f-6b55fec095c8.png?v=1773265630","url":"https:\/\/marisolmarine.com\/products\/merc-9","provider":"Marisol Marine Company","version":"1.0","type":"link"}