GMC K25 Light Bulb Size Chart

The GMC K25 uses light bulb sizes including 198, H6024, 168, 211-2, and 97. The replacement chart covers 1975 through 1978 model years across 13 lighting locations. Each location entry specifies the applicable model years and corresponding bulb size for that position.

Select a light bulb location for GMC K25 to view detailed replacement information.