Carquest WCA37637 rear left drum brake wheel cylinder with 11/16" bore. Designed to restore proper hydraulic pressure and braking performance. Direct replacement for many Toyota Corolla and Chevrolet Prizm models equipped with rear drum brakes.

Often used on compact Toyota and GM-built compact sedans, including:

Toyota

Chevrolet / Geo

These vehicles typically use two wheel cylinders per rear axle.