GMC M300 Light Bulb Size Chart

GMC M300 light bulb size options include 63, 1129, 1073, 67, and H6006. A replacement chart covers 1954-1957 and 11 lighting locations. Each location entry includes specific model years and bulb size data for the vehicle to ensure correct identification of the required hardware components.

Select a light bulb location for GMC M300 to view detailed replacement information.

LocationYears
Brake1954-1957
Dome Light1956-1957
Headlight1954-1957
Instrument Panel1954-1957
Parking Light1954-1957
Side Marker1954-1955
Tail Light1954-1957
Turn Signal1954-1957