GMC R2500 Suburban High Beam Indicator Bulb Size

The GMC R2500 Suburban high beam indicator requires a 168 bulb size for proper installation within the instrument cluster assembly. Available data for the specified lighting component covers the period from 1987 to 1991.

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 Size
1987-1991168

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.168

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