Buick Skylark Engine Compartment Light Bulb Size

The Buick Skylark engine compartment light utilizes bulb sizes 906, 89, P21W, 93, 1003, 1004, and 90 depending on the specific application. Available data for the mentioned components covers the range from 1962 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 Size
1992-1996906
1990-199189
1988P21W
1986-198793
1985P21W
1983-198493
1982P21W
198093
1979P21W
1975-19781003
19721004
1963-197089
196290

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W.906
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.89
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.93
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1004
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W.90

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