Pontiac

This reproduction GM plastic screw-on master cylinder cap fits many Pontiacs and Oldsmobiles from 1949-1961 (typically without power brakes).  Please refer to the application table.   

• Made in USA
• Licensed GM restoration part
• GM Part number 5460820 Group 4.651
• The top of the cap says "Delco Brake Fluid" 
• This cap is a translucent white plastic

NOTE: There is no gasket included with this part.

Oldsmobile 1949-1961 WITHOUT power brakes
Oldsmobile 1958-1961 With power brakes except 1958 with CAC
Oldsmobile 1958 power brakes with 2nd type master cylinder without fluid indicator.
All Pontiac 1953-1961

Other makes (Reference)

Buick 1955, 1957 with AT
Buick 1956, 1959-1961 All.
Chevrolet 1961 Corvette – late
Chevrolet 1962 Passenger, Corvette
Chevrolet Pickup 1962 Series 20-30 DD.