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Dorman - First Stop Brake Master Cylinder P/N:M9220
$146.99
Turn brake-pedal pressure into the hydraulic force that operates the wheel brakes with the Dorman - First Stop Brake Master Cylinder M9220. It drops in as a direct-fit replacement for the 1947-1952 Chevrolet Truck [All], plus the 1947-1950 GMC FC280, FC300, FCS300, and FF350 [All] — precision-engineered to match the design, function, and performance of the original master cylinder for those applications.
- Cast-iron housing: constructed to match the casting material of the original part for similar performance.
- Durable EPDM rubber components: made of a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: built entirely from new materials, not remanufactured.
- Strict specifications: made to meet rigorous SAE International standards.
This unit has a 1.25 in bore, a single outlet with a 7/16-24 rearward outlet size, and includes the reservoir. Mounting hardware is not included and no sensor is supplied, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan. If a worn or leaking master cylinder is the cause of a soft or sinking pedal, this replaces it.
Interchange: 83-52001 · 8352001 · M900021 · 100-2761 · 1002761 · 11024 · 13-57581 · 1357581 · 10-29221 · 1029221 · 10-57581 · 1057581 · 130.80001 · MC512250 · 355-47207 · 35547207 · 5450929 · 5450930 · 5454382 · MC14484 · MC9220 · F133472 · F9220 · MC133472 · Manufacturer part number M9220.
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, MC14484, MC9220, F133472, F9220, MC133472
Frequently Asked Questions
What does a brake master cylinder do?
It converts the force from the brake pedal into hydraulic pressure that is sent through the brake lines to operate the vehicle's brakes.
Which vehicles does the M9220 fit?
It is a direct-fit replacement for the 1947-1952 Chevrolet Truck and the 1947-1950 GMC FC280, FC300, FCS300, and FF350 [All]. See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir, sensor, or mounting hardware?
The reservoir is included. No sensor is supplied and mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the bore and outlet specs?
It has a 1.25 in bore diameter and a single outlet with a 7/16-24 rearward outlet size.
What is the master cylinder made of?
The housing is cast iron, constructed to match the casting material of the original part, and all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M9220
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