White/GMC WXLM Headlight Bulb Size

The White/GMC WXLM headlight bulb uses 9004 and H6024 sizes for both high and low beam applications. The replacement chart covers 1991 to 1993 production years with corresponding bulb specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

High Beam Headlight

YearsBulb Size
1991-19939004 (With Composite Headlamps)
H6024 (With Sealed Beam Headlamps)

Low Beam Headlight

YearsBulb Size
1991-19939004 (With Composite Headlamps)
H6024 (With Sealed Beam Headlamps)

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament halogen bulb with P29t base. 12V, 65W/45W.9004
ANSI standard (US & Canada). 7-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.H6024

Other Locations

Additional Notes