Oldsmobile 98 Back Up Light Bulb Size

The Oldsmobile 98 back up light utilizes 1156, 1073, 2057, and P21W bulb sizes for various lighting applications across the vehicle exterior. Available data covers the range of 1953 through 1996 for the specified 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

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
1993-19961156P21WCheck Price
1991-199220572057Check Price
1964-19901156P21WCheck Price
1961-196310731073Check Price
1958-19601156P21WCheck Price
1953-195710731073Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2057Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.1073Check Price

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