{"product_id":"1445287-seal-piston-fits-caterpillar-models","title":"1445287 Seal Piston Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston Seal for Caterpillar (Cat) Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement hydraulic cylinder piston seal replaces Caterpillar (Cat) OEM part number 1445287. Piston seals are positioned between the piston and cylinder bore inside hydraulic cylinders, maintaining a tight seal that prevents fluid bypass, sustains pressure, and enables consistent cylinder extension and retraction. This seal is a direct-fit replacement suitable for hydraulic cylinder rebuilds and maintenance on compatible Cat equipment.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 74.5 mm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 90 mm\u003c\/li\u003e\n\u003cli\u003eWidth\/Height: 6 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Hydraulic cylinder piston seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat):\u003c\/strong\u003e Verify fitment against your specific machine serial number and cylinder application. Consult your parts catalog or dealer to confirm compatibility before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1445287\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":42454057451603,"sku":"1445287","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1445287_01.jpg?v=1757968784","url":"https:\/\/www.reliableaftermarketparts.com\/en-au\/products\/1445287-seal-piston-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}