These are new units - not rebuilt - ready to install.
Replaces OEM #
B5A-2140-A
Fitment
1952-1959
Ford Full Size Car
1955-1957
Ford Thunderbird with power drum brakes
1957-1958
Ford Thunderbird with manual drum brakes
1959-1960
Ford Thunderbird with manual drum brakes, and without factory A/C
More Information
The master cylinder is a control device that converts non-hydraulic pressure (commonly from a driver's foot) into hydraulic pressure. This device controls slave cylinders located at the other end of the hydraulic system.