Haldex AWD Coupling Filter — Generation 1 | VAG | OEM 02D525558A
Maintain Correct AWD Oil Pressure on Your VAG 4Motion/quattro — Replace the Haldex Gen 1 Filter.
The Haldex Gen 1 coupling filter must be replaced at regular service intervals. A clogged filter reduces oil pressure to the coupling pump — causing delayed or absent rear wheel engagement and AWD fault codes. Direct replacement filter for VAG Gen 1 Haldex systems.
OEM Reference
- 02D525558A
Vehicle Compatibility
Audi A3/TT 4WD quattro, VW Golf 4Motion — Haldex Generation 1 AWD system
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