Honda Motorcycle VT500C Shadow Turn Signal Bulb Size

Honda Motorcycle VT500C Shadow front turn signal bulbs measure 1034 in size, while rear turn signal bulbs measure P21W or 1073, with each bulb size corresponding to specific lighting positions on the motorcycle. The replacement chart covers 1983 to 1986 model years and documents bulb size specifications across the vehicle production range.

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
1983-19861034

Rear Turn Signal

YearsBulb Size
1986P21W
19851073
1983-1984P21W

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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