GMC C2500 Cornering Bulb Size

GMC C2500 cornering bulb sizes include 2456, 2356, and 1156 bulb configurations across multiple model generations. The replacement chart covers vehicle production spanning 1980 to 1997.

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
199724562456Check Price
199623562356Check Price
1994-199524562456Check Price
199323562356Check Price
19801156 (With 2 Round Headlamps)P21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Festoon bulb, specialty application. 12V.2456Check Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V.2356Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price

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