Xenon HID Ballast Headlight Control Unit Module - A71177E00DG A71154400DG D1S

Xenon D1S 35W HID Ballast Control Module

Replacement for A71177E00DG / A71154400DG

Product Description

Professional aftermarket replacement Xenon HID ballast designed to replace selected factory-fitted 35W D1S headlight control modules.

This ballast supplies and regulates power to the Xenon bulb, helping maintain stable headlight operation and consistent light output. It is designed as a direct plug-and-play replacement where the original ballast and connector match.

Please note that this is a high-quality aftermarket replacement and is not an original OEM unit.

Product Features

Direct replacement for compatible factory Xenon HID ballasts

Plug-and-play installation

Integrated digital CANBUS decoder

Stable and regulated power output

High-voltage and low-voltage protection

Electromagnetic interference protection

Anti-shock aluminium housing

Water-resistant construction

Designed for 35W D1S Xenon headlight systems

Suitable for left- or right-hand headlight applications where the same ballast is fitted

Technical Specifications

Product Type: Xenon HID Headlight Ballast / Control Module
Bulb Type: D1S Xenon HID
Power Output: 35W
Input Voltage: 9V–16V
Housing Material: Aluminium
Estimated Service Life: More than 5,000 hours
Fitment Type: Direct replacement
Condition: New

Compatible Part Numbers

This ballast may replace the following references:

A71177E00DG

A71154400DG

35XT6-B-D3/12V

10R-034663

10R-044663

Always compare the complete part number, connector and physical design with the original ballast before ordering.

Common Vehicle Applications

Compatible with selected Xenon headlight versions fitted to:

Hyundai

Hyundai Santa Fe — selected 2013–2014 models

Hyundai Sonata — selected 2014 models

Jaguar

Jaguar XF — selected 2012–2014 models

Jaguar XFR — selected 2012–2014 models

Land Rover

Range Rover Evoque — selected 2012–2014 models

Tesla

Tesla Model S — selected 2012–2014 models

Ford

Ford Focus Mk3 — selected 2011–2012 models

Important Compatibility Notice

Vehicle model and year alone are not enough to confirm fitment.

Before purchasing, please compare:

The complete part number on the original ballast

The electrical connector

The ballast shape and mounting points

The Xenon bulb type

The original headlight specification

The vehicle VIN where possible

Compatibility may vary according to production date, headlight type and market specification.

Package Contents

1 × 35W Xenon HID ballast control module

Please Note

Xenon bulb is not included

Mounting screws or hardware are not included

Professional installation is recommended

Coding is not normally required, but this may depend on the vehicle and headlight system

Ensure the headlight is properly sealed after installation to prevent moisture damage