Oldsmobile Delta 88 Trunk Bulb Size

The Oldsmobile Delta 88 trunk light uses unique bulb sizes P21W, 105, 1003, 89, 194, and 631 depending on the specific vehicle version. Available data covers a range from 1965 through 1991 for the components listed in the provided specifications.

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
1991P21W
1989-1990105
19851003
1977-19811003
1972-197689
1971194
1970631
1966-196989
1965631

Bulb Specifications

Description Bulb Size
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. Variant of 1156. 12V, 13W.105
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.89
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.631

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