{"product_id":"caterpillar-8j-9449-seal-ring","title":"Caterpillar 8J-9449 Seal Ring","description":"\u003cdiv\u003e\u003cp\u003eGenuine Caterpillar 8J-9449 Seal Ring is an OEM replacement part designed for Cat off-highway trucks, including the 777, 777B, and 777D. Identified by Cat part number 8J-9449, this seal ring is cataloged as a sealing component (INEL DE ETANȘARE) and is intended for use in designated Caterpillar hydraulic and mechanical assemblies to prevent fluid leakage and maintain proper system pressure. As part of the 8J-9449 seal ring family, it provides a durable, wear‑resistant seal that supports reliable operation in demanding heavy-haul applications. The part is typically sourced through Caterpillar dealers and authorized aftermarket suppliers and is offered as a direct replacement for the original seal in the affected assemblies on 777-series trucks. When replacing, verify that the 8J-9449 seal ring matches the specific Cat assembly design and follow Caterpillar service instructions for installation orientation and mating components to ensure proper sealing performance. Seal rings like 8J-9449 are designed to withstand the harsh operating environment of large construction and mining equipment, helping to minimize contamination ingress and maintain hydraulic integrity during long, intensive service intervals.\u003c\/p\u003e\u003c\/div\u003e","brand":"Caterpillar","offers":[{"title":"New Surplus No Box","offer_id":51677835821358,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_b69bd24d-6a6a-45a1-bb4a-21a6a018322b.jpg?v=1769568216","url":"https:\/\/plgautomation.com\/products\/caterpillar-8j-9449-seal-ring","provider":"PLG Automation ","version":"1.0","type":"link"}