{"product_id":"8j2037-replacement-piston-assembly-fits-cat-replacement-piston-assy-fits-cat","title":"8J2037 REPLACEMENT PISTON ASSEMBLY Fits CAT REPLACEMENT PISTON ASSY Fits CAT","description":"\u003ch3\u003eOne New Aftermarket Replacement Hydraulic Piston Fits Caterpillar (Fits CAT) Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement piston is a precision internal component of Fits Caterpillar (Fits CAT) hydraulic axial piston pump rotary groups. It seats within the pump barrel assembly and is a critical wear part in the hydraulic pump's rotating group, directly affecting pump efficiency and output pressure. Replacement of worn pistons restores proper hydraulic system performance.\u003c\/p\u003e\u003ch4\u003eCompatible Pump Assembly Components\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed with Barrel: 9J-3522\u003c\/li\u003e\n\u003cli\u003eUsed with Valve Plate: 1U-3444\u003c\/li\u003e\n\u003cli\u003eUsed with Retainer Plate: 3G-4061, 9T-7859, 4T-7022\u003c\/li\u003e\n\u003cli\u003eUsed with Thrust Plate: 1U-0406\u003c\/li\u003e\n\u003cli\u003eUsed with Shaft: 3G-2331\u003c\/li\u003e\n\u003cli\u003eSeal Kit: 3G-1707\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar:\u003c\/strong\u003e Fits Caterpillar Fits CAT equipment utilizing this hydraulic piston pump rotary group configuration. Specific machine model fitment not confirmed in available data -- verify compatibility using your machine serial number and pump assembly number before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e8J2037, 8J-2037\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eSupersedes \/ cross-references: 8J-6853, 4T-7025, 1U-4748\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40068754276435,"sku":"8J2037-FLT","price":59.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_035ff681-df0f-4c7c-a1ba-44e21113041c.jpg?v=1757895018","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/8j2037-replacement-piston-assembly-fits-cat-replacement-piston-assy-fits-cat","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}