{"product_id":"replacement-pump-piston-for-harbor-freight-costco-arcan-matco-3-3-1-4-t-jack","title":"Replacement Pump Piston for Harbor Freight Costco Arcan Matco 3 \u0026 3 1\/4 t Jack","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement hydraulic jack pump piston is suitable for replacing the corresponding component in Harbor Freight, Costco, Arcan, and Matco 3 ton and 3 1\/4 ton floor jacks. A pump piston moves hydraulic fluid within the pump bore to build the pressure that raises the jack. It is supplied as a replacement piston for servicing the jack hydraulic pump assembly.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe piston works inside the pump bore to help pressurize hydraulic fluid during jack operation.\u003c\/li\u003e\n\u003cli\u003eResponds to the pump action so the jack can lift and hold under load through the hydraulic system.\u003c\/li\u003e\n\u003cli\u003eSuited to replacing a worn, scored, or leaking piston in the pump assembly of the listed 3 ton and 3 1\/4 ton jacks.\u003c\/li\u003e\n\u003cli\u003eOffers a service alternative when the pump piston no longer holds pressure or moves fluid correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Harbor Freight 3 ton and 3 1\/4 ton floor jacks\u003c\/li\u003e\n\u003cli\u003efor Costco 3 ton and 3 1\/4 ton floor jacks\u003c\/li\u003e\n\u003cli\u003efor Arcan 3 ton and 3 1\/4 ton floor jacks\u003c\/li\u003e\n\u003cli\u003efor Matco 3 ton and 3 1\/4 ton floor jacks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a damaged or worn pump piston in the hydraulic pump assembly of the listed jacks.\u003c\/li\u003e\n\u003cli\u003eServicing a jack that no longer builds or holds hydraulic pressure correctly.\u003c\/li\u003e\n\u003cli\u003eRestoring pump function after the original piston has failed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Jack Pump Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Application(s):\u003c\/strong\u003e Harbor Freight, Costco, Arcan, and Matco 3 ton and 3 1\/4 ton floor jacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Application:\u003c\/strong\u003e Replacement pump piston for the listed jack sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a hydraulic jack pump piston do? \u003cstrong\u003eA:\u003c\/strong\u003e It moves inside the pump bore to pressurize hydraulic fluid, which allows the jack to lift and hold a load.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I confirm this piston fits my jack? \u003cstrong\u003eA:\u003c\/strong\u003e Check the complete jack brand, tonnage, and existing pump piston part number against this listing before ordering.\u003c\/p\u003e\u003ch3\u003eClosing Notice\u003c\/h3\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67597921648913,"sku":"ZZ3L00110","price":74.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_2cda58c4-283a-4681-bbb7-342eba7c1858.jpg?v=1790710875","url":"https:\/\/www.duraforce.com\/products\/replacement-pump-piston-for-harbor-freight-costco-arcan-matco-3-3-1-4-t-jack","provider":"DURAFORCE","version":"1.0","type":"link"}