Autocado is the leading supplier of quality car and truck Automatic Transmission Case Plug Seals. We offer a wide variety of performance parts to meet your needs so you can get maximum power from your engine. Our Automatic Transmission Case Plug Seals are superiorly crafted for improved durability, enhanced energy efficiency, and superior performance. They feature O-rings for leak prevention and help keep dirt, water, and other contaminants out of the transmission case without sacrificing higher pressure or temperature ratings than typical aftermarket seals. Shop our selection today for premium automatic transmission case plug seals from Autocado!