HS1 / H4 Halogen Headlight Bulb (35/35W) - High / Low beam

Brighter Vision: 35/35W HS1/H4 Halogen Headlight Bulb

Restore your nighttime visibility with this High-Performance 12V 35/35W Halogen Bulb. Designed as a direct OEM replacement for scooters utilizing the HS1 or H4 bulb style, this halogen lamp provides a crisp, reliable beam for both high and low-beam functions. Whether you're commuting on a Genuine Buddy or a Honda Ruckus, this bulb ensures you stay visible to traffic while lighting the road ahead with factory-spec precision.

Technical Performance Features

• Dual-Filament Versatility: Features integrated High and Low beam filaments (35/35 Watts) for optimal light distribution in all riding conditions.
• P43T Base Style: Engineered for a precision "twist-and-lock" fit into standard HS1 and H4 headlight housings, preventing vibration-related beam flutter.
• Halogen Efficiency: Provides a cleaner, whiter light compared to standard incandescent bulbs, improving contrast and reaction time at night.
• OEM Cross-Compatibility: Functionally identical to Piaggio Part #231215 and Original Parts For Scooters SKU 138-107-WH.

Comprehensive Fitment Guide

This bulb is the standard replacement for HS1/H4 equipped models from 2007 to present:

Technical Specifications

• Voltage: 12 Volt
• Wattage: 35/35W (High/Low Beam)
• Base Type: P43T (HS1 / H4)
• Light Source: Halogen

Mechanic's Note: Headlight bulbs naturally dim over time before they actually burn out.

Maintenance Tip: If your headlight looks "yellow" or dim, replacing it with a fresh halogen bulb can significantly improve your safety.

CRITICAL Pro Tip: Never touch the glass of a halogen bulb with your bare fingers! The oils from your skin can create hot spots that cause the glass to crack or the bulb to fail prematurely. Always use a clean cloth or gloves during in