Honda Motorcycle CX500C Custom Turn Signal Bulb Size

The Honda Motorcycle CX500C Custom front turn signal uses a 1034 bulb size while the rear turn signal requires a P21W or 1073 bulb size. The replacement chart covers 1981 to 1982 production years with corresponding bulb specifications.

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

Front Turn Signal

YearsBulb Size
1981-19821034

Rear Turn Signal

YearsBulb Size
1982P21W
19811073

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.1073

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