Turn pedal effort into the hydraulic pressure your brakes rely on with the Dorman - First Stop Brake Master Cylinder M83072. Engineered to match the design, function, and performance of the original unit, it drops in on the 1973-1979 Ford F-100, 1975-1976 Ford F-150, 1973-1976 Ford F-250, 1976-1977 Ford Bronco, and the 1975-1976 Ford E-100 / E-150 Econoline and Econoline Club Wagon (all engines).
If a worn or leaking master cylinder is the cause of a sinking or spongy pedal, gradual fluid loss, or an inconsistent brake feel, this replaces it. Because mounting hardware isn't included, consult the vehicle service information for the correct fasteners and whether they may be reused.
Manufacturer part number: M83072. Country of origin: China.
What does this master cylinder do?
It converts brake-pedal force into hydraulic pressure that is sent through its outlets to the brake circuits.
Does it come with a reservoir, sensor, or mounting hardware?
A reservoir is included. It does not include a sensor, and mounting hardware is not included — consult the vehicle service information for the correct fasteners.
What is it made of?
The cylinder housing is cast iron, built to match the casting material of the original part, and the rubber components use a high-quality EPDM compound for glycol-based brake fluid resistance.
What are the bore and outlet specifications?
It has a 1 in bore and 2 outlets, with a 7/16-24 rearward outlet and a 9/16-18 in secondary outlet thread diameter.
Which vehicles does the M83072 fit?
It fits the 1973-1979 Ford F-100, 1975-1976 F-150, 1973-1976 F-250, 1976-1977 Bronco, and 1975-1976 E-100/E-150 Econoline and Econoline Club Wagon (all engines).
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.