GMC W6500 Forward Courtesy Bulb Size

The GMC W6500 Forward courtesy light utilizes unique bulb sizes 67, 1003, 211-2, and DE3175 for various interior lighting applications. Provided information covers a specific range of production from 1987 through 1996.

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

Bulb Size by Year Range

YearsBulb TypeShop
199667 (Tiltmaster)Check Price
19951003 (Tiltmaster)Check Price
199467 (Tiltmaster)Check Price
1993211-2 (Tiltmaster)Check Price
1992211-2 (Medium Duty)Check Price
1003 (Tiltmaster)Check Price
1990-1991211-2Check Price
1989211-2 (Medium Duty)Check Price
67 (Tiltmaster)Check Price
1988211-2Check Price
1003 (Tiltmaster)Check Price
1987211-2Check Price
1003 (Tiltmaster)Check Price
DE3175 (With 4 Round Headlamps)Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.67Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003Check Price
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.211-2Check Price
ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V.DE3175Check Price

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