GMC W7500 Forward Light Bulb Size Chart

The GMC W7500 Forward uses light bulb sizes including 1157, 2057, 158, 194, and 168. A replacement chart covers 1984 to 1996 model years across 19 lighting locations on the vehicle. Each location entry specifies the applicable model years and corresponding bulb size for that position.

Select a light bulb location for GMC W7500 Forward to view detailed replacement information.