Dorman - First Stop Brake Master Cylinder P/N:M630447
Restore firm, reliable brake pedal feel with the Dorman – First Stop Brake Master Cylinder M76162. The master cylinder converts brake-pedal force into the hydraulic pressure that operates the brake system, and this 100% new unit drops in as a direct-fit replacement for a long list of 1970s–1980 GM, Jeep and AMC applications, including the 1970-1980 Chevrolet Camaro, 1971-1980 Chevrolet Impala, 1971-1980 Buick Electra, 1971-1975 Cadillac DeVille and 1974-1980 Jeep Cherokee. It has two outlets and a 1.125 in bore.
Includes the reservoir; no sensor and no mounting hardware are supplied, so consult the vehicle service information for the correct fasteners and whether they may be reused. Secondary outlet thread is 1/2-20. Signs the original master cylinder may need replacing include a sinking or spongy pedal and external brake-fluid leakage. Country of origin: China. See the Buyer's Guide tab for the full list of covered vehicles.
What does this master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that operates the brakes. If a worn or leaking master cylinder is the cause of a sinking pedal, this replaces it.
Is the reservoir included?
Yes. Per the part's attributes, the reservoir is included. However, no sensor and no mounting hardware are supplied with this unit.
What is the bore diameter and how many outlets does it have?
This master cylinder has a 1.125 in bore and two outlets, with a secondary outlet thread diameter of 1/2-20.
Is this a remanufactured part?
No. It is 100% new, made entirely from new materials rather than remanufactured, and built to meet rigorous SAE International standards.
Will this fit my vehicle?
It is a direct-fit replacement for many 1970s–1980 GM, Jeep and AMC models such as the Camaro, Impala, Electra and Jeep Cherokee. Check the Buyer's Guide tab to confirm your exact year, make and model.
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.