GMC C5000 Side Marker Bulb Size

GMC C5000 front and rear side marker bulbs utilize 194, 1157, 168, and 1895 bulb sizes depending on location and model variation. The replacement chart covers 1979 to 1990 production years with corresponding bulb size specifications.

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

Front Side Marker

YearsUS TypeEU TypeShop
1990194 (Medium Duty)W5WCheck Price
19891157 (Medium Duty)P21/5WCheck Price
1987-19881157 (Medium Duty)P21/5WCheck Price
194 (Medium Duty, With 2 Rectangular Headlights)W5WCheck Price
1986194W5WCheck Price
1984-19851157 (Medium Duty)P21/5WCheck Price
194 (Medium Duty, With 2 Rectangular Headlights)W5WCheck Price
1983168 (Medium Duty)W5WCheck Price
194 (Medium Duty, With 2 Rectangular Headlights)W5WCheck Price
1981-19821157 (Medium Duty)P21/5WCheck Price
194 (Medium Duty, With 2 Rectangular Headlights)W5WCheck Price
1979-1980194W5WCheck Price

Rear Side Marker

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
1987-1990194 (Medium Duty)W5WCheck Price
1985-19861157 (Medium Duty)P21/5WCheck Price
1981-1984194 (Medium Duty)W5WCheck Price
19801895 (Medium Duty)1895Check Price
1979194 (Medium Duty)W5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.W5WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.168Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.1895Check Price

Other Locations