{"product_id":"inmotion-ws6818-differential-pinion-seal-front-outer-or-rear-outer","title":"InMotion WS6818 Differential Pinion Seal - Front Outer or Rear Outer","description":"\u003ch2\u003eDifferential Pinion Seal for Classic GM Applications\u003c\/h2\u003e\u003cp\u003eThe InMotion WS6818 differential pinion seal is built with nitrile material and precise dimensions to help maintain a secure seal at the pinion area. It is designed to keep contaminants out and help reduce fluid loss in rear differential service on select Chevrolet, GMC, and Pontiac vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNitrile construction for sealing performance in driveline service\u003c\/li\u003e\n\u003cli\u003eInside diameter: 1.739 in. and shaft diameter: 1.739 in.\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3.008 in. with 3.000 in. housing bore\u003c\/li\u003e\n\u003cli\u003eThickness: 0.5 in. for proper seal depth\u003c\/li\u003e\n\u003cli\u003eRear outer differential pinion seal application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application Details\u003c\/h2\u003e\u003cp\u003eCompatible with classic rear differential service on select vehicles, including Fits 1955-1964 Chevrolet Bel Air, Rear Outer, with 8.125in Ring Gear; Fits 1959-1960 Chevrolet El Camino, Rear Outer, with 8.125in Ring Gear; Fits 1964 Chevrolet El Camino, Rear Outer, with 8.125in Ring Gear; Fits 1958-1964 Chevrolet Impala, Rear Outer, with 8.125in Ring Gear; Fits 1956-1962 Chevrolet Corvette, Rear Outer; Fits 1963 GMC G1000 Series, Rear Outer, 3.00in Outside Diameter; and Fits 1955-1958 Pontiac Laurentian, Rear Outer, with 8.125in Ring Gear. The InMotion WS6818 is a direct-fit sealing component for rear outer pinion service on these applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references no listed interchange part numbers in the provided data.\u003c\/p\u003e\u003ch2\u003eWhat This Seal Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGear oil seepage at the differential pinion area\u003c\/li\u003e\n\u003cli\u003eContamination from dirt, moisture, and road debris\u003c\/li\u003e\n\u003cli\u003eWear-related sealing loss during differential service\u003c\/li\u003e\n\u003cli\u003eLeak concerns after pinion seal replacement\u003c\/li\u003e\n\u003cli\u003eMaintenance on rear outer differential assemblies in classic GM drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eVerify shaft diameter, housing bore, and ring gear application before installation. Clean the sealing surface thoroughly and inspect the pinion area for wear or damage that could affect seal performance. The nitrile material and dimensional specifications support accurate fitment for the listed Chevrolet, GMC, and Pontiac applications.\u003c\/p\u003e\u003cp\u003eInMotion WS6818 is engineered for differential sealing service using the dimensions and material listed above.\u003c\/p\u003e","brand":"InMotion","offers":[{"title":"Default Title","offer_id":52406886006965,"sku":"HKKS-WS6818","price":10.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WJ_WS6818_Fro2.jpg?v=1777774307","url":"https:\/\/www.partcatalog.com\/products\/inmotion-ws6818-differential-pinion-seal-front-outer-or-rear-outer","provider":"PartCatalog","version":"1.0","type":"link"}