Convert brake-pedal force into the hydraulic pressure that operates the brakes with the Dorman - First Stop Brake Master Cylinder M36317. It drops in as a direct-fit replacement for the 1969-1974 Chevrolet Nova, 1971-1974 Pontiac Ventura, 1973-1974 Buick Apollo, and 1973-1974 Oldsmobile Omega (All engines), and is precision-engineered to match the design, function, and performance of the original master cylinder.
A brake master cylinder that is leaking internally or externally can show up as a slowly sinking or spongy pedal or a loss of braking pressure; if a failed master cylinder is the cause, this unit replaces it. Diagnose the cause before replacing. Because mounting hardware is not included, consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Interchange: 83-36023 · 8336023 · 83-50023 · 8350023 · M900126 · 100-2234 · 1002234 · M-82023 · M82023 · 11481 · 13-1481 · 131481 · 10-1481 · 101481 · 130.62023 · MC509620 · 355-47037 · 35547037 · 18009912 · 2621567 · 5463751 · 5470721 · 73343 · M1481 · NM1481 · MC36317 · F73343 · MC73343
Manufacturer part number M36317.
This part cross-references / interchanges with the following part numbers:
Which vehicles does the M36317 master cylinder fit?
It's a direct-fit replacement for the 1969-1974 Chevrolet Nova, 1971-1974 Pontiac Ventura, 1973-1974 Buick Apollo, and 1973-1974 Oldsmobile Omega (All engines). Check the Buyer's Guide tab to confirm your vehicle.
Does this master cylinder come with a reservoir?
Yes, the reservoir is included. A sensor and mounting hardware are not included.
What are the key specifications?
It has a 1.125 in bore, two outlets, and a 1/2-20 secondary outlet thread, with a cast-iron housing.
Is this a new or remanufactured master cylinder?
It's 100% new, built entirely of new materials rather than remanufactured, and made to meet SAE International standards.
What are signs the master cylinder may need replacing?
A slowly sinking or spongy brake pedal or a loss of braking pressure can indicate an internally or externally leaking master cylinder; diagnose the cause before replacing.
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.