---
product_id: 757248310
title: "O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller"
brand: "o-nex"
price: "119 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "O Nex"
url: https://www.desertcart.pl/products/757248310-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w
store_origin: PL
region: Poland
---

# 12V heavy-duty power 35W/55W dual wattage support Hi/Lo Bi-Xenon dual beam control O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller

**Brand:** o-nex
**Price:** 119 zł
**Availability:** ✅ In Stock

## Summary

> ⚡ Illuminate your drive with precision and power — never settle for dim again!

## Quick Answers

- **What is this?** O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller by o-nex
- **How much does it cost?** 119 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/757248310-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w)

## Best For

- o-nex enthusiasts

## Why This Product

- Trusted o-nex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Heavy-duty design engineered to withstand the rigors of daily driving and keep your lights blazing.
- • **Hi/Lo Beam Mastery:** Effortlessly switch between high and low beams with reliable Bi-Xenon relay control.
- • **Plug & Play Precision:** Exact fit for H4 (9003 HB2) Bi-Xenon HID setups—no guesswork, just seamless upgrade.
- • **Dual Wattage Compatibility:** Supports both 35W and 55W HID kits, giving you flexible power options for your ride.
- • **Universal Left & Right Fit:** One harness handles both headlights, simplifying installation and reducing clutter.

## Overview

The O-NEX HID Relay Harness H4 (9003 HB2) is a robust 12V wiring controller designed for Bi-Xenon HID headlights. Compatible with both 35W and 55W kits, it supports dual beam Hi/Lo functionality and fits both left and right sides with a heavy-duty build, ensuring reliable, plug-and-play performance for aftermarket HID installations.

## Description

Buy O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller: Wiring Harnesses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Perfect, exact, replacement - Replaced a five year old dead one that started shorting out for one headlight then altogether. 5 start for being able to get a random part, that works perfectly, overnight, for $10
Review: Ok - Good for the money Relay has limited life with 50w

## Features

- H4 9003 HB2 Bi-Xenon (Hi/Lo) Battery Wiring Harness
- Bi-Xenon HID Relay Harness, works with both 35w and 55W HID Kit, heavy duty design.
- Dual Beam High and Low (Hi/Lo H/L) functionality for most after-market hid.
- 1 Harness will connect to both left and right side
- For 35W/55W Hi Lo Bi-Xenon type HID installation only.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ABPA Partslink Number | UN2568108 |
| ASIN | B01CTIDBJ2 |
| Auto Part Position | Front |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #81,673 in Automotive ( See Top 100 in Automotive ) #319 in Automotive Replacement Electrical Wiring Harnesses |
| Brightness | 1000 Lumen |
| Color Temperature | 6000 Kelvin |
| Customer Reviews | 4.2 4.2 out of 5 stars (492) |
| Date First Available | March 11, 2016 |
| Global Trade Identification Number | 00732341334307 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | H4 |
| Light Color | Red |
| Light Output Maximum | 3500 Lumens |
| Manufacturer | O-NEX |
| Manufacturer Part Number | HID-RLH4 |
| Number of Pieces | 2 |
| OEM Part Number | H4 |
| Product Dimensions | 7 x 2 x 2 inches |
| UPC | 732341334307 |
| Voltage | 12 Volts |

## Product Details

- **Brand:** O-NEX
- **Fit Type:** Vehicle Specific Fit
- **Included Components:** Relay harness
- **Light Source Type:** Xenon
- **Wattage:** 35 watts

## Images

![O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller - Image 1](https://m.media-amazon.com/images/I/711Wd4q4CjL.jpg)

## Questions & Answers

**Q: I need a harrness to hook up to H11**
A: H11 will work this harness but for 80's model 3 prong light switch systems

**Q: Does this keep the low beam on when high beams are turned off? My 99 4runner automatically turns off low beam when high beam is switched**
A: no, it is only for bi-xenon hid kit relay replacement.

**Q: Will these work on led bulbs as well? having drl issues**
A: no, it does not fix drl issue. not for LED Bulbs.

**Q: I have fahren 9005/hb3 led headlight bulbs, 60w  will these work with this kit (96 ciivcex 2dr)?**
A: NO.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect, exact, replacement
*by S***L on May 23, 2024*

Replaced a five year old dead one that started shorting out for one headlight then altogether. 5 start for being able to get a random part, that works perfectly, overnight, for $10

### ⭐⭐⭐⭐⭐ Ok
*by G***S on December 24, 2025*

Good for the money Relay has limited life with 50w

### ⭐⭐⭐⭐ Review
*by E***R on February 1, 2024*

Instalación sencilla: El arnés de relé O-NEX es muy fácil de instalar. Simplemente conecta los cables a los conectores OEM de tu vehículo y listo. Fiabilidad: El arnés de relé está fabricado con materiales de alta calidad y está diseñado para durar. Compatibilidad: El arnés de relé es compatible con la mayoría de bombillas HID de 35W y 55W. Conclusión: Buena opción: El arnés de relé O-NEX es una buena opción para los conductores que buscan una instalación sencilla y fiable para sus bombillas HID. Detalles adicionales: El arnés de relé O-NEX está diseñado para controlar las funciones de haz alto y bajo de las bombillas HID. Se conecta a los conectores OEM de tu vehículo, lo que significa que no es necesario cortar ni empalmar ningún cable. El arnés de relé está fabricado con materiales de alta calidad, como conectores de cobre y un cable de 100% resistente al agua. Es compatible con la mayoría de bombillas HID de 35W y 55W, incluidas las bombillas de repuesto O-NEX.

## Frequently Bought Together

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-26*