This is the Ivory colored replacement heater / defroster knob on the heater door for Special Deluxe.
For 1941 Chevrolet Cars
This is an Ivory colored, 3 piece knob set for the heater / defroster / air control levers on the dash.
For 1951 1952 Chevrolet Cars
This is the Ivory colored knob that goes on the cowl vent control arm. This was an accessory when new.
For 1939 1940 1941 1942 1944 1945 1946 1947 1948 Chevrolet Cars