Mazda RX-8 Turn Signal Bulb Size

The Mazda RX-8 turn signal utilizes a 7440NA bulb size for the front and rear lighting components. Data provided for the specific vehicle covers the range from 2004 to 2008.

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

Front Turn Signal

YearsUS TypeEU TypeShop
2009-20111157NAP21/5WCheck Price
2004-20087440NAWY21WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
2009-20111157NAP21/5WCheck Price
2004-20087440NAWY21WCheck Price

Bulb Specifications

Description Type Shop
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), natural amber glass. 12V, 21W.7440NACheck Price

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