





⚡ Illuminate your drive with precision and power — never settle for dim!
The O-NEX HID Relay Harness H4 (9003 HB2) is a robust 12V wiring controller designed exclusively for 35W/55W Bi-Xenon HID kits. It enables seamless high/low beam switching via OEM connectors without any splicing, ensuring a clean, plug-and-play installation. Built with a heavy-duty, waterproof design, this relay harness guarantees reliable performance and durability in all weather conditions, making it the perfect upgrade for professional-grade automotive lighting.






| Colour Temperature | 6000 Kelvin |
| Light Colour | Red |
| Auto Part Position | Front |
| Number of Pieces | 2 |
| Brightness | 1000 Lumen |
| Light Output Maximum | 3500 Lumens |
| UPC | 732341334307 |
| Manufacturer | O-NEX |
| Global Trade Identification Number | 00732341334307 |
| Product Dimensions | 17.78 x 5.08 x 5.08 cm; 159 g |
| Item model number | H4 |
| Manufacturer Part Number | HID-RLH4 |
| OEM Part Number | H4 |
| ABPA Partslink Number | UN2568108 |
| Material | Plastic |
| Assembly Required | No |
| Voltage | 12 Volts |
| Country of Origin | USA |
| Item Weight | 159 g |
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