Turn pedal effort into hydraulic brake pressure on your classic Ford truck with the Dorman First Stop Brake Master Cylinder M22975. It is a direct-fit replacement for the 1957-1960 Ford F-100 (All engines) and the 1960-1966 Ford P-100 (All engines). Each listed application uses one master cylinder.
This master cylinder is precision-engineered to match the original unit's design, function and performance on the listed applications, and it is made from new, high-quality materials.
- Precise replacement: the cast-iron cylinder housing matches the casting material of the original part and is intended to deliver similar performance.
- Durable design: every rubber component is made of a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: 1.063 in bore diameter and one rearward outlet sized 1/2-20. It comes with a reservoir but does not include a sensor or mounting hardware. Country of origin: Taiwan.
Signs a master cylinder may need replacing include a spongy or sinking brake pedal, fluid leaks at the master cylinder, and a falling fluid level. Other brake components can cause these symptoms too, so diagnose the cause before replacing. Consult the vehicle service information for the correct fasteners and whether the originals may be reused.
Interchange: 83-42022 · 100-2462 · M-85022 · 13-22975 · 10-22975 · 130.65022 · 355-54143
M900039 · 11049 · MC509420 · B9C2140A · BC92140A · 18001599 · MC22975 · F22975 · 8342022 · 1002462 · M85022 · 1322975 · 1022975 · 13065022 · 35554143
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
83-42022, M900039, 100-2462, M-85022, 11049, 13-22975, 10-22975, 130.65022, MC509420, 355-54143, B9C2140A, BC92140A, 18001599, MC22975, F22975
Frequently Asked Questions
Which vehicles does the Dorman M22975 fit?
It is listed for the 1957-1960 Ford F-100 (All engines) and the 1960-1966 Ford P-100 (All engines), with one master cylinder used per vehicle.
Does it come with a reservoir?
Yes, a reservoir is included. A sensor and mounting hardware are not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused.
What are the bore and outlet specifications?
The bore diameter is 1.063 in. The unit has one rearward outlet sized 1/2-20.
What signs may mean the master cylinder needs replacing?
A spongy or sinking brake pedal, fluid leaking at the master cylinder, or a falling fluid level can be signs it may need replacing. Other brake parts can cause these too, so diagnose the cause first.
What is the housing made of?
The cylinder housing is cast iron, matching the casting material of the original part. All rubber components use an EPDM compound for resistance to glycol-based brake fluid.
