Mack RM Light Bulb Size Chart

Mack RM light bulb size options include 1157, 1891, H6024, 912, and H4651. A replacement chart covers 1981-1993 and 14 lighting locations. Each location entry includes specific model years and bulb size data for the vehicle to ensure correct identification of the required components.

Select a light bulb location for Mack RM to view detailed replacement information.

LocationYears
Back Up Light1981-1993
Brake1981-1993
Courtesy1981-1993
Engine Compartment Light1981-1993
Headlight1981-1993
Instrument Panel1981-1993
License Plate1981-1993
Parking Light1981-1993
Side Marker1981-1993
Tail Light1981-1993
Turn Signal1981-1993