A motorcycle headlight replacement aimed at restoring reliable H4 halogen lighting, the Autolamps H4 Halogen Headlight Bulb. E-approved road legality and a PX43T base suit riders who need a direct-fit swap with familiar performance. Is this the right replacement for older bikes still running halogen?
⚡ At a Glance
- • Light Output: Dual-filament H4, 35/35W for separate high and low beam use
- • Best for: Motorcycle owners seeking a direct halogen replacement with road legality
- • Not ideal for: Riders planning an LED or HID upgrade rather than a like-for-like swap
E Approved 12v H4 bulb with PX43T base and dual 35/35W filaments. Supplied as a pair, known as Part No H4 459 HS1 or 472B.
Road-legal lighting assurance – thanks to E Approved certification
E Approved marking confirms compliance with recognised vehicle lighting standards, signalling that the halogen construction meets regulatory requirements for road use. The 12v rating matches standard motorcycle electrical systems.
Legal compliance reduces the chance of lighting-related issues during inspections and makes the lamp suitable for everyday street use. Riders benefit from reassurance that the lighting meets accepted safety rules.
Straightforward high/low beam function – with dual-filament H4 35/35W design
H4 format employs two filaments within a single bulb to deliver separate high and low beams at 35W each, using the same H4 electrical connections. The PX43T specification defines the base form and contact layout.
Clear separation of high and low beams keeps night riding controllable and familiar for riders used to halogen setups. Power levels match common motorcycle headlamp expectations for consistent illumination.
Easy fitting for compatible lamps – thanks to PX43T base and standard part numbering
PX43T base ensures a defined mechanical fit and correct electrical contacts for H4 sockets, while the listed part number H4 459 HS1 (472B) helps identify compatibility. The 12v/35/35W specification aligns with many motorcycle systems.
Quick, plug-and-play replacement is possible on bikes with matching fittings, cutting workshop time. Matching the part number avoids fitment guessing and simplifies DIY swaps.
✨ The 4 Key Reasons for Autolamps H4 Halogen Headlight Bulb
- E Approved – Complies with road-legal lighting standards for motorcycles
- 35/35W Power Rating – Standard halogen power suitable for many classic headlamps
- H4 Compatibility – Works with widespread H4 sockets found on motorcycles
- PX43T Base – Secure mechanical and electrical fit designed for motorcycle use
📋 Technical Details at a Glance
- Category: Halogen headlight bulb
- Part No: H4 459 HS1 (also known as 472B)
- Brand: Autolamps
- Voltage: 12v
- Power: 35/35W
❓ Frequently Asked Questions
Q: Are these bulbs road legal?
A: Yes, E Approved marking is listed, indicating compliance with recognised road lighting standards.
Q: What fitting is required?
A: PX43T base and H4 dual-filament configuration are specified, so compatible H4 sockets are required.
Q: Is the pack a single bulb or a pair?
A: The listing specifies a pair, supplied as two 12v 35/35W bulbs.
🏆 Our Verdict
Suitable for motorcycle owners who need a like-for-like halogen headlight replacement, especially on older bikes with H4 fittings. E Approved status and PX43T compatibility are the key selling points for road use and straightforward fitment. Long-term ownership is economical thanks to simple halogen technology and easy availability of matching parts.
