{"product_id":"fuel-lift-pump-129301-52020-128270-52010-for-komatsu-3d72-3d75-3d84-engine","title":"Fuel Lift Pump 129301-52020 128270-52010 for Komatsu 3D72 3D75 3D84 Engine","description":"\u003ch2\u003eFuel Lift Pump for Komatsu\u003c\/h2\u003e\u003cp\u003eThis fuel lift pump provides dependable fuel delivery for Komatsu 3D72, 3D75, and 3D84 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 mechanical pump designed to transfer fuel from the tank to the injection system of Komatsu 3D72, 3D75, and 3D84 diesel engines. It maintains consistent fuel pressure for stable idling and full-load operation. This replacement lift pump meets the dimensional and flow requirements of the original component.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHardened steel internals for long service life in diesel applications\u003c\/li\u003e\n\u003cli\u003eRolling diaphragm provides leak-resistant sealing\u003c\/li\u003e\n\u003cli\u003eFuel filter screen traps debris before it reaches the injection pump\u003c\/li\u003e\n\u003cli\u003ePre-drilled mounting holes for a straightforward bolt-on installation\u003c\/li\u003e\n\u003cli\u003eRugged aluminum housing withstands vibration and heat\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Komatsu 3D72\u003c\/li\u003e\n\u003cli\u003efor Komatsu 3D75\u003c\/li\u003e\n\u003cli\u003efor Komatsu 3D84\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces an original pump that has lost prime or shows visible fuel seepage\u003c\/li\u003e\n\u003cli\u003eKeeps fuel flowing during heavy loader or excavator duty cycles\u003c\/li\u003e\n\u003cli\u003eSupports cold-start priming when the engine has been sitting\u003c\/li\u003e\n\u003cli\u003eRestores fuel pressure after injector or fuel filter service\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 diaphragm pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.2 L\/min at rated speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-bolt 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 What causes a lift pump to lose prime? \u003cstrong\u003eA:\u003c\/strong\u003e A cracked diaphragm or a loose fuel line connection allows air into the system. Replacing the pump and tightening all fittings restores prime.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this pump compatible with biodiesel blends? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the diaphragm and seals are compatible with standard diesel and biodiesel blends up to B20. Always check fuel quality if you suspect a problem.\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":46611843547322,"sku":"ZZ3F05252","price":59.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_867ef955-ef98-452f-8485-22dd50e22bc6.jpg?v=1789011259","url":"https:\/\/partoutfitters.com\/products\/fuel-lift-pump-129301-52020-128270-52010-for-komatsu-3d72-3d75-3d84-engine","provider":"Part Outfitters","version":"1.0","type":"link"}