Dorman - First Stop Brake Master Cylinder P/N:M390233
Turn pedal effort into hydraulic pressure for your brakes with the Dorman First Stop Brake Master Cylinder M14021. It is a direct-fit replacement for the 1953-1956 Ford F-350 (All engines). Dorman precision-engineers it to match the original master cylinder's design, function, and performance on the listed application.
Specifications: 1.25 in. bore diameter and one 1/2-20 rearward outlet. The reservoir is included. It does not include a sensor or mounting hardware. Country of origin: Taiwan.
Signs the master cylinder may need replacing include a spongy or slowly sinking brake pedal and brake fluid leaking at the cylinder. Other brake components can cause the same symptoms, so diagnose the system before replacing parts. Consult the vehicle service information for the correct fasteners and whether the originals may be reused. Follow its bleeding procedure after installation.
Interchange: 100-2754 · 13-14021 · 10-57587 · 130.65007 · 130.79026 · 355-54133 · 355-54294
M900025 · MC509400 · B3TZ2140A · 5461385 · MC14021 · F14021 · 1002754 · 1314021 · 1057587 · 13065007 · 13079026 · 35554133 · 35554294
This part cross-references / interchanges with the following part numbers:
What vehicle does the Dorman M14021 fit?
It is listed for the 1953-1956 Ford F-350 with All engines, and that application uses one master cylinder.
Does the M14021 come with a reservoir?
Yes, the reservoir is included. It does not include a sensor or mounting hardware.
What are the bore diameter and outlet size?
The bore diameter is 1.25 in., and the unit has one rearward outlet sized 1/2-20.
What is the housing made of?
The cylinder housing is cast iron. It is built to match the casting material of the original part for similar performance.
What signs suggest a master cylinder may need replacing?
A spongy or sinking brake pedal or fluid leaking at the cylinder can be signs. Other brake parts can cause the same symptoms, so have the system diagnosed first.
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.