Description
This Eiko A3603 heavy duty headlight bulb 2-pack is designed for motorcycles, scooters, ATVs, snowmobiles, mopeds, and other powersports applications requiring a 12V 25/25W dual-filament bulb. These incandescent replacement bulbs are built for dependable lighting performance and vibration resistance in powersports environments.
The A3603 bulb is commonly cross referenced with Stanley A3603 and similar OEM-style headlight bulbs used in vintage Japanese motorcycles, scooters, and ATVs.
Technical Specifications:
Brand: Eiko
Part Number: A3603 / A3603-BP
Voltage: 12V
Wattage: 25/25W
Type: Dual-filament incandescent bulb
Bulb Shape: T6 clear glass
Base Type: PX15d / P15d-style flange base
Quantity: 2-Pack
Heavy duty motorcycle/scooter application
Features:
Dual high/low beam filament design
Heavy duty construction for vibration resistance
OEM-style replacement fitment
Suitable for motorcycles, scooters, ATVs, and snowmobiles
Clear incandescent lighting output
Ideal for vintage powersports applications
Applications:
Commonly used in:
Motorcycles
Scooters
ATVs
Snowmobiles
Mopeds
Vintage Japanese powersports vehicles
Compatible with many Honda, Yamaha, Suzuki, Kawasaki, Polaris, and similar applications using A3603-style bulbs.
(Verify bulb base and dimensions before purchasing)
Notes:
Sold as 2-pack
Avoid touching bulb glass during installation
Verify compatibility before ordering
