The BENDIXDorman Help 42080 Brake Master Cylinder Cap Gasket is a vintage part made of rubber that serves as a direct replacement for Ford, Lincoln, and Mercury vehicles from 1978 to 1994. It is designed to fit the front of the vehicle and comes in a sleek black color. The gasket is essential for sealing the brake master cylinder reservoir cap and ensuring proper brake function. This product is an OE spec item, manufactured by Dorman/Help in the United States, and includes a gasket as well as a manufacturer part number 42080.