{"product_id":"1686685-piston-fits-caterpillar-models","title":"1686685 Piston Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Track Adjuster Piston Fits Caterpillar (Fits CAT) Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement track adjuster piston is a steel hydraulic piston with a 49.96mm outer diameter, designed for the front idler position of the undercarriage track roller frame. The track adjuster piston maintains proper tension on the undercarriage chain by holding hydraulic pressure within the adjuster cylinder, preventing track sag, reducing wear on rollers and sprockets, and protecting the undercarriage system during operation. Replacing a worn or leaking piston restores factory-spec tension control and helps avoid costly undercarriage damage.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType: Hydraulic Track Adjuster Piston\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 49.96mm\u003c\/li\u003e\n\u003cli\u003eLocation: Front Idler, Undercarriage Track Roller Frame\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar (Fits CAT):\u003c\/strong\u003e Verify compatibility by Fits Caterpillar OEM part number 168-6685 against your machine serial number before ordering. Consult your Fits CAT dealer or parts catalog for confirmed model fitment.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1686685, 168-6685\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":40161309425747,"sku":"1686685","price":84.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1686685_01.jpg?v=1757959772","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/1686685-piston-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}