Turn pedal effort into hydraulic pressure for your brakes with the Dorman First Stop Brake Master Cylinder M9220, a new cast iron unit supplied with its reservoir. It is listed for several models, among them the 1947-1952 Chevrolet Truck, 1947-1950 GMC FC280 and 1947-1950 GMC FC300. See the Buyer's Guide tab for the full list.
Dorman designed this master cylinder to replicate the original unit's design, function and performance on the listed applications. It is built from new, high-quality materials for a safe, durable replacement.
- Precise replacement: the cylinder housing is made to match the original part's casting material, with performance similar to the original.
- Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: made entirely of new materials for quality and safety.
- Strict specifications: built to meet rigorous SAE International standards.
Specifications: cast iron material, 1.25-inch bore diameter, one outlet with a 7/16-24 rearward outlet size, and reservoir included. Mounting hardware and a sensor are not included. Country of origin: Taiwan.
Signs a master cylinder may need replacing include a soft or sinking brake pedal, brake fluid leaking at the cylinder, or a falling fluid level. Other brake components can cause similar symptoms, so diagnose the system before replacing parts.
Interchange: 83-52001 · 100-2761 · 13-57581 · 10-29221 · 10-57581 · 130.80001 · 355-47207
M900021 · 11024 · MC512250 · 5450929 · 5450930 · 5454382 · MC9220 · F133472 · F9220 · MC133472 · 8352001 · 1002761 · 1357581 · 1029221 · 1057581 · 13080001 · 35547207
This part cross-references / interchanges with the following part numbers:
83-52001, M900021, 100-2761, 11024, 13-57581, 10-29221, 10-57581, 130.80001, MC512250, 355-47207, 5450929, 5450930, 5454382, MC9220, F133472, F9220, MC133472
