System Type Haldex AWD 4th Generation
Condition New Original Kit
Manufacturer BorgWarner
Component Control Unit Seal Kit
Package Includes Seal Strip + Gasket + 2 Screws
Warranty 24 Months
Ready for Installation This original repair seal kit is a direct replacement for OEM reference 0AY598301, designed to restore proper sealing of the Haldex control unit housing and help prevent leaks, contamination and pressure loss in 4th generation AWD systems.
OEM Part Numbers
Main OEM Number:
0AY598301 • 0AY 598 301
Related Reference Numbers:
111579 • 31259351 • LR008955 • 9G9N-4A052-AA
Always Verify Your Part Number Before placing an order, check the OEM number on your existing Haldex control unit seal kit or service parts list and confirm it matches 0AY598301. If you are unsure about compatibility, contact us with your VIN number and we will help verify fitment.
Technical Specifications
System Type:
Haldex AWD 4th Generation
Component:
Repair Seal Kit for Haldex Control Unit
Application:
4th generation Haldex AWD control units in VAG, Volvo, Ford, Land Rover, Opel and Saab vehicles
Reference Numbers:
111579 / 31259351 / LR008955 / 9G9N-4A052-AA
Included:
1x sealing strip, 1x special gasket, 2x screws
Service Recommendation:
Replace Haldex oil during control unit resealing or servicing
Warranty Period:
24 Months
Product Description
This original 0AY598301 repair seal kit is designed for 4th generation Haldex AWD control units. It restores sealing between the control unit and the Haldex housing, helping protect the module against fluid leaks, contamination and pressure-related issues that can reduce AWD performance or damage internal components.
What This Seal Kit Does
- Restores sealing of the Haldex control unit housing
- Helps prevent fluid leaks and contamination inside the AWD system
- Supports correct hydraulic pressure and control unit protection
- Ideal during control unit repair, replacement or preventive servicing
Service Recommendation This seal kit is recommended when servicing or reinstalling the Haldex control unit. For best results, inspect the unit housing carefully and replace the Haldex oil during the repair.
Vehicle Compatibility
The 0AY598301 repair seal kit is suitable for selected vehicles equipped with 4th generation Haldex AWD. Always verify the exact OEM part number and control unit version before ordering.
Suitable for the Following Vehicle Models
- Audi / SEAT / Škoda / Volkswagen models with Gen 4 Haldex (2008 - 2015)
- Land Rover Freelander 2 (2008 - 2015)
- Range Rover Evoque (2012 - 2014)
- Ford Kuga (2008 - 2012)
- Volvo XC60 / XC70 / XC90 / S60 / S80 / V50 / V60 / V70 (2008 - 2015)
Not Sure About Compatibility? If you are unsure whether this repair kit fits your vehicle, send us your VIN number or the OEM number from your existing control unit. We will help confirm compatibility before you order.
Common Fault Codes & Symptoms
Worn or damaged control unit seals can allow moisture, dirt or fluid leaks around the Haldex module and may contribute to AWD system malfunctions. Common service-related symptoms and warning signs include:
-
Fluid leak Oil or residue around the Haldex control unit housing
-
Contamination Moisture or debris entering the control unit area
-
Pressure loss Reduced hydraulic efficiency in the AWD system
-
02248 Valve for controlling clutch operating angle (N373) intermittent
-
01324 Control Module for All Wheel Drive (J492) no signal / communication
- Intermittent AWD operation or reduced rear axle engagement
- Corrosion risk around the control unit connection area
- Recurring AWD faults after control unit removal or repair
Diagnostic Tip If the control unit has been removed, repaired or shows signs of leakage, always inspect the sealing surfaces and replace the seal kit before reinstalling the module. A poor seal can lead to repeat AWD faults and contamination of the control unit area.
Installation & Service Notes
Recommended Steps
- Verify the exact OEM number on the original repair kit or control unit assembly
- Clean the control unit housing and sealing surfaces before installation
- Replace all included sealing components during the repair
- Use the supplied screws where required for correct refitting
- Inspect the control unit and connector area for signs of fluid ingress or corrosion
- Replace the Haldex oil during servicing and verify correct AWD operation after reassembly
Important Service Note Reusing old seals can result in recurring leaks, contamination and repeat AWD faults. For reliable operation, install a fresh seal kit whenever the control unit is removed or repaired.
Why This Seal Kit Matters
1. Leak Prevention
Fresh seals help keep the control unit area properly sealed and reduce the risk of oil leakage around the Haldex module.
2. Module Protection
Correct sealing helps protect the control unit from moisture, dirt and other contaminants that can affect AWD operation.
3. Stable AWD Function
Properly sealed control unit components support stable hydraulic behavior and reliable Haldex system operation.
4. Preventive Maintenance
Replacing the seal kit during service or repair helps avoid repeat labor and improves long-term reliability of the AWD system.
Quality Assurance & Warranty
24-Month Warranty: This new original repair seal kit is supplied with a 24-month functionality warranty under normal operating conditions.
Warranty Coverage Includes:
- Manufacturing defects of the supplied sealing components
- Material defects under normal use
- Functional defects of the replacement kit itself
Warranty Exclusions:
- Incorrect installation
- Damage caused by improper control unit handling
- Use on an incompatible control unit or vehicle application
- Physical damage, misuse or contamination caused during installation
Questions or Need Help?
Our technical team is ready to assist with compatibility checks, installation guidance and product selection.
Contact
Important Purchase Information
- Please verify this part fits your specific vehicle before placing an order
- 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
- We recommend replacing the Haldex oil when servicing the control unit
- Please check if this product fits your car before purchase
