This is a heater knob that is maroon in color and imprinted with the word "Warmer" and has the directional arrow. For 1947 1948 1949 1950 1951 1952 1953 Chevrolet Trucks

Here's a maroon cowl or top vent knob for your 47-53. For 1947 1948 1949 1950 1951 1952 1953 Chevrolet Trucks