Lexus SC400 Turn Signal Bulb Size

The Lexus SC400 front turn signal uses 1034NA or 1157NA bulb sizes, while the rear turn signal requires 7440 or 1156 bulb sizes. The replacement chart covers 1992 through 2000 production years with corresponding bulb size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Turn Signal

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
20001034NA1034NACheck Price
19991157NAP21/5WCheck Price
19981034NA1034NACheck Price
1996-19971157NAP21/5WCheck Price
1993-19951034NA1034NACheck Price
19921157NAP21/5WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
1997-20007440W21WCheck Price
1992-19961156P21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W.1034NACheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NACheck Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W.7440Check Price
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

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