Rebuild a worn brake master cylinder instead of buying a complete new unit with the Dorman - First Stop Brake Master Cylinder Repair Kit TM33160. It drops in as a direct-fit repair kit for the 1960-1966 Chevrolet C10, C20, C30 and K20 Pickup, 1964-1966 Chevrolet K10 Pickup, 1960-1962 Chevrolet C40 and Suburban, 1961-1966 Chevrolet P10 Series, the 1960-1962 GMC 1000/1500/2500 Series, 1960-1963 GMC 3000, 1964-1966 GMC 3500 and 1960-1966 GMC Suburban — engine [All]. See the Buyer's Guide tab for the full list.
The kit supplies the internal seals used to service the master cylinder — the hydraulic component that converts pedal pressure into fluid pressure to the brakes. If worn master-cylinder seals are the cause of a low or sinking pedal or internal fluid bypass, this kit replaces them; diagnose the cause before ordering. Country of origin: China.
Interchange: 22955 · MK535170 · 3770600 · 3770602 · 5465184 · 5465469 · 868443R91 · MK-253 · MK253 · F33160 · MK33160 · Manufacturer part number TM33160
This part cross-references / interchanges with the following part numbers:
What is the Dorman TM33160 repair kit for?
It supplies the internal sealing components used to rebuild a worn brake master cylinder on the listed applications, letting you service the cylinder instead of replacing the whole unit.
Which vehicles does it fit?
It's a direct-fit kit for 1960-1966 Chevrolet C10/C20/C30/K20 Pickup, 1964-1966 K10 Pickup, plus other Chevrolet and GMC 1960s trucks and Suburbans. See the Buyer's Guide tab for the full list.
What bore size does this kit fit?
It is sized for master cylinders with a 1.125 in bore. Confirm your master cylinder's bore matches before ordering.
What are the signs I may need this kit?
A low or slowly sinking brake pedal or internal fluid bypass can be signs of worn master-cylinder seals. Diagnose the cause first, since these symptoms can have other sources.
What are the sealing components made of, and where is it made?
The kit's sealing components are made of EPDM rubber. Country of origin: China.
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.
