Oldsmobile Delta 88 Engine Compartment Light Bulb Size

The Oldsmobile Delta 88 engine compartment light utilizes bulb sizes 561, 105, 89, and 631 depending on the specific version of the vehicle being serviced for maintenance. Available information covers a span of production starting from 1965 and ending in 1991 to provide technical details for various automotive lighting components.

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
1991561
1989-1990105
198589
1978-1984631
1972-197789
1970631
1966-196989
1965631

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. Lower wattage variant of 1156. 12V, 13W.89
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.631

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