Product Details
Description
HS1 / H4 Halogen Headlight Bulb (35/35W) – High / Low beam
Key Details
- Replacement for P series halogen unit, PFS SKU 138-107-WH
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Fitment Notes: P/PX Series
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Additional information
| Weight | 0.04 lbs |
|---|---|
| Dimensions | 0.5 × 0.3 × 0.3 in |
| Condition | New |
|---|
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:
| Brand / Type | Compatible Model Series |
|---|---|
| Genuine | Buddy (50/125/150/170i/Kick), Roughhouse, Rattler, Urbano, Stella |
| Honda | Ruckus (NPS50), Metropolitan (CHF50), Grom, Elite |
| Vespa | LX50, Primavera 50, Sprint 50 |
| SYM / Lance | Fiddle, Cali Classic, Havana Classic, PCH (50/125/150/200i) |
| Yamaha | Zuma 50, C3 |
| Scooters | All models with an incandescent HS1 or H4 style 35W headlight bulb |
| Motorcycles | All models with an incandescent HS1 or H4 style 35W headlight bulb |
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




