Shop now for Gaskets for 2020-up Chevy Silverado and GMC Sierra 2500 and 3500 series Trucks with AAM 11.5" Rear Axles.
GM/American Axle Manufacturing AAM 1150 11-1/2" ring gear rear axles use nonreusable fiber axle and rear differential cover gaskets. No RTV sealant is used or should be used on these axles in lieu of or in conjunction with the factory type gaskets except to fill in pits or gouges in the mating faces.
