The offered Transmission Oil is used to lubricate the components of a carâs transmission for optimum performance. It is a lubricant formulated to protect the vehicleâs gears and clutch packs while enabling smooth, crisp shifts. Without it, the vehicleâs gears would rapidly wear out or overheat, resulting in a short life for the transmission and a big repair expense for people. The Transmission fluid is just as essential as motor oil. It is optimized for the special requirements of a transmission, such as valve operation, brake band friction, and the torque converter, as well as gear lubrication. The Transmission Oil is very efficient.