Hamburg Technic - 02D525558A - Haldex Oil Filter - Gen 1 Haldex - Audi 8L/8N & Volkswagen MK4

Hamburg Technic 02D525558A – Haldex Oil Filter – Gen 1 Haldex AWD Audi 8L / 8N · Volkswagen MK4 · 4Motion / Quattro

Hamburg Technic is a manufacturer of OEM- Quality service parts based in Germany. 

The Hamburg Technic Haldex Oil Filter (02D525558A) is an OEM-quality replacement filter designed for Gen 1 Haldex all-wheel-drive systems.

This filter is a critical service component that helps maintain correct oil flow, protect the Haldex pump, and ensure reliable AWD operation.

Manufactured to meet or exceed original equipment specifications, Hamburg Technic components are trusted for consistent quality, precise fitment, and long-term durability—making this filter ideal for routine Haldex servicing or complete system maintenance.

This filter is commonly fitted to early Audi Quattro and Volkswagen 4Motion vehicles from the late 1990s through mid-2000s.

Product Details
Brand: Hamburg Technic
System Type: Gen 1 Haldex AWD
OEM Part Number: 02D525558A

Contents:
1 × Haldex Oil Filter
1 × O-Ring Seal

This item may also be purchased as part of a complete Gen 1 Haldex Service Kit.

Vehicle Compatibility – Gen 1 Haldex
Audi

• A3 8L Quattro (1997–2003)
• TT / TTS 8N Quattro (1999–2006)
• SEAT
• Alhambra 7V AWD (2001–2010)
• Leon 1M AWD (2000–2006)
• Toledo 1M AWD (1999–2004)

Škoda

• Octavia 1U AWD (1997–2011)

Volkswagen

• Beetle 1C 4Motion (1999–2001)
• Bora 1J 4Motion (1999–2005)
• Golf MK4 1J 4Motion (1998–2006)
• Jetta 1J Syncro / 4Motion (1999–2001)
• Sharan 7M AWD (2001–2010)

Service Recommendation
For optimal AWD performance and system longevity, Hamburg Technic recommends servicing Gen 1 Haldex systems every 30,000 km or 3 years, whichever comes first.

This service should include:
Haldex oil replacement
Haldex oil filter replacement
Regular maintenance helps prevent internal wear, pump failure, and driveline faults.