OEM Part Numbers

Technical Specifications

Product Description

This is a genuine used original Continental Haldex control unit with part number 5WP33519-04, designed for 4th generation AWD systems used in selected Land Rover vehicles. The module controls the rear differential coupling and manages torque transfer to the rear axle when traction support is required.

What This Control Module Does

• Controls rear differential clutch engagement in the Gen 4 Haldex system
• Supports torque transfer to the rear axle when traction is required
• Communicates with AWD and related drivetrain electronics
• Helps restore proper AWD operation when the original module has failed
• Provides an OEM replacement solution for communication and rear-drive faults

Vehicle Compatibility

This Haldex control unit is commonly fitted to selected Land Rover AWD vehicles. Always match the original part number before purchase.

Land Rover

Common Symptoms of a Faulty Module

A defective Haldex control unit may cause one or more of the following issues:

Installation

Installation Steps

• Locate the Haldex ECU on the rear differential assembly
• Disconnect the battery and unplug the electrical connector
• Remove the mounting bolts and detach the old control unit
• Install the replacement module and reconnect all connectors securely
• Check the AWD system with a suitable diagnostic tool after installation
• Complete coding or adaptation if required by the vehicle
• Clear stored fault codes and road test the vehicle

Why Haldex Control Units Fail

1. Water Ingress & Corrosion

Moisture and road contamination can damage the connector area and internal electronics, leading to unstable AWD communication or complete module failure.

2. Valve or Pump Related Faults

Problems with the Haldex pump or valve can overload the system and trigger recurring faults that may affect rear axle engagement.

3. Internal Electronic Failure

Internal circuit wear and electronic component failure can cause intermittent communication problems, loss of AWD function or inactive rear drive.

4. Wiring or Connector Damage

Damaged pins, poor terminal contact or harness faults can interrupt module operation and create misleading drivetrain or traction-related errors.

Warranty

12-Month Warranty: This used Haldex control unit has been tested for correct operation and is supplied with a 12-month warranty under normal operating conditions.

Warranty Coverage Includes:

• Internal control unit malfunction
• Communication failures caused by the module itself
• Faults related to controller operation under normal use

Warranty Exclusions:

• Incorrect installation or incompatible vehicle fitment
• External wiring, pump or valve faults
• Physical damage, water damage after installation or mishandling

Questions or Need Help?

Our technical team is ready to assist with compatibility checks, installation guidance and coding support.

Important Purchase Information

• Please verify the part number before ordering
• Photos are for illustrative purposes only
• Worldwide shipping is available
• If your country is not listed at checkout, contact us and the order can be processed manually
• Used original OEM part supplied tested and functional