{"product_id":"1672221-seal-as-buffer-fits-caterpillar-models","title":"1672221 Seal As-Buffer Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Hydraulic Cylinder Buffer Seal for Caterpillar (Cat) Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement Seal As-Buffer (part number 1672221 \/ 167-2221) is a hydraulic cylinder buffer seal designed for use on Caterpillar (Cat) heavy construction equipment. Buffer seals are installed in hydraulic cylinder rod assemblies to absorb pressure spikes and shock loads, protecting the primary rod seals from premature wear and extending the overall life of the hydraulic cylinder sealing system.\u003c\/p\u003e\u003ch4\u003eAbout Buffer Seals\u003c\/h4\u003e\u003cp\u003eHydraulic buffer seals are positioned on the high-pressure side of the primary rod seal to intercept pressure peaks generated during heavy-load cycles. Replacing a worn or damaged buffer seal helps prevent fluid bypass, reduces contamination risk, and maintains consistent cylinder performance under demanding operating conditions common to construction and earthmoving equipment.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat):\u003c\/strong\u003e This part number belongs to the Caterpillar 167-22xx Seal As-Buffer series used across a wide range of Cat construction equipment. Verify fitment using your machine model and serial number before ordering. Compatible machine types include track-type tractors, wheel loaders, backhoe loaders, motor graders, and off-highway trucks.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1672221, 167-2221\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":42453731868755,"sku":"1672221","price":41.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1672221_01.jpg?v=1757757045","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1672221-seal-as-buffer-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}