This is a NOS U.S. Made Wagner Brake Master Cylinder that can be used on many different Ford Trucks years 1939 to 1966 including the P500 (1960-63), C600 (1953-1956), F5 & F6 (1951-1952), F500 (1957-1959), P350 (1946-53), 250 .

Comes with a new boot as pictured.

Part # FD4570