1933-1954 PONTIAC THERMOSTAT HOUSING GASKET NEW REPLACEMENT.  This is a New Vintage McCord Brand #V-5457 Replacement Thermostat Housing Gasket to Replace GM# 494904 for the 1933-1954 Pontiac 6 and 8 Cylinder Engines. The Gasket is in Good Condition, Quality Made in the USA Vintage Replacement from the 1950's. FREE SHIPPING IN THE US.