The Yukon rear cover gasket fits GM 8.2", 8.5" and 8.6" housings and serves as a direct replacement for several GM rear differential applications. Yukon supplies small parts and gaskets for axle servicing, and this gasket is intended for use during maintenance or rebuilds where those cover sizes are encountered. It helps maintain fluid retention and prevent leaks after cover installation.
Yukon Gear 8.2in & 8.5in Rear Cover Gasket