{"product_id":"fuel-lift-pump-129301-52020-128270-52010-for-yanmar-3gmf-3gm30f-3hmf-3hm35","title":"Fuel Lift Pump 129301-52020 128270-52010 for Yanmar 3GMF 3GM30F 3HMF 3HM35","description":"\u003ch2\u003eFuel Lift Pump for Yanmar\u003c\/h2\u003e\u003cp\u003eThis fuel lift pump delivers a reliable fuel supply for Yanmar 3GMF, 3GM30F, 3HMF, and 3HM35 marine diesel engines, referencing OEM cross numbers 129301-52020 and 128270-52010.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis fuel lift pump is a direct replacement component designed to draw fuel from the tank and deliver it to the injection system at the correct pressure. It serves as a critical part for maintaining consistent engine operation in Yanmar 3GMF, 3GM30F, 3HMF, and 3HM35 marine diesel engines. The pump ensures a steady flow of fuel to support reliable starting and running performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined plunger and bore assembly for consistent fuel delivery\u003c\/li\u003e\n\u003cli\u003eRobust diaphragm construction resists wear from diesel fuel\u003c\/li\u003e\n\u003cli\u003eIntegral filter screen protects the injection system from contaminants\u003c\/li\u003e\n\u003cli\u003eDirect-fit mounting pattern aligns with OEM specifications\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant housing suitable for marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yanmar 3GMF\u003c\/li\u003e\n\u003cli\u003efor Yanmar 3GM30F\u003c\/li\u003e\n\u003cli\u003efor Yanmar 3HMF\u003c\/li\u003e\n\u003cli\u003efor Yanmar 3HM35\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces a worn or leaking lift pump during routine engine maintenance\u003c\/li\u003e\n\u003cli\u003eSupports fuel system priming after filter changes or service work\u003c\/li\u003e\n\u003cli\u003eEnsures reliable fuel delivery during continuous marine operation\u003c\/li\u003e\n\u003cli\u003eRestores proper fuel pressure in engines experiencing hard starting or stalling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e129301-52020, 128270-52010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical fuel lift pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlet Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 - 0.3 kgf\/cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBolt-on flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my lift pump is failing? \u003cstrong\u003eA:\u003c\/strong\u003e Symptoms include hard starting, sputtering at speed, or fuel leaks around the pump body. Replacing the pump resolves these issues and restores normal fuel flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this pump myself? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, if you have basic mechanical skills and the correct gasket. Remove the two mounting bolts, disconnect the fuel lines, and install the new pump in the reverse order.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46611842760890,"sku":"ZZ3F05251","price":59.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_aa025d85-be2a-4634-828d-aa6c60d26155.jpg?v=1789011247","url":"https:\/\/partoutfitters.com\/products\/fuel-lift-pump-129301-52020-128270-52010-for-yanmar-3gmf-3gm30f-3hmf-3hm35","provider":"Part Outfitters","version":"1.0","type":"link"}