GMC W6500 Forward Parking Brake Indicator Bulb Size

The GMC W6500 Forward parking brake indicator uses bulb sizes 158, 168, and PC74 according to the provided specifications for the vehicle lighting system. Data for the specific components covers the range from 1987 through 1996 for the listed automotive application.

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

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
1995-1996158 (Tiltmaster)158Check Price
1994PC74 (Tiltmaster)T5+PCBCheck Price
1993158 (Tiltmaster)158Check Price
1992PC74 (Tiltmaster)T5+PCBCheck Price
1989-1991158 (Tiltmaster)158Check Price
1988158 (Tiltmaster)158Check Price
168 (With 2 Round Headlamps)W5WCheck Price
1987158158Check Price
168 (With 2 Round Headlamps)W5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W.158Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W.PC74Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.168Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.W5WCheck Price

Other Locations