?autobaba engine rear main seal cover kit with gasket & bolt compatible with cadillac escalade, gmc yukon sierra, chevy suburban silverado tahoe express 4.8 5.3 6.0 6.2l replace# 635-518 12633579 12639250 is up for auction in Automotive. This item is in Good Condition. This auction has ended — similar items appear in live auctions regularly.