Peterbilt 378 Light Bulb Size Chart

Peterbilt 378 light bulb size options include 2057, 67, 9004, 97, and H6054. A replacement chart covers 1988-2007 and 15 lighting locations. Each entry lists specific model years and bulb size for a location to ensure a correct match for the vehicle during a maintenance task.

Select a light bulb location for Peterbilt 378 to view detailed replacement information.