Oldsmobile 98 Engine Compartment Light Bulb Size

The Oldsmobile 98 engine compartment light utilizes bulb sizes 561, 105, 631, and 89 depending on the specific production period. Available information spans a range from 1953 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
1991-1996561
1989-1990105
1978-1984631
1972-197789
1970631
1966-196989
1964-1965631
1953-196389

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.561
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. Variant of 1156. 12V, 21W.631
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.89

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