Description
HALDEX 4 AWD COUPLING FILTER KIT — The Filter That “Doesn’t Exist” — Until Your AWD Fails
Here’s a fun one. VW and Audi officially list the Haldex 4 filter as a “fitted for life, non-service item.” It’s not on the parts diagram. It’s not on their service schedule. According to the dealer, it doesn’t need changing.
And yet — when it blocks up, your AWD stops working. Funny how that works.
The Haldex 4 All-Wheel Drive Coupling Filter Kit is the service item your dealer forgot to tell you about. It maintains fluid cleanliness and system pressure inside the electronically-controlled Haldex 4 coupling — keeping power transferring to the rear axle the moment it’s needed, not five seconds after.
Key Features:
- OEM-Spec Filtration — maintains coupling fluid cleanliness and pump pressure
- Complete Service Kit — filter element, rubber seals, nylon retainer, bolts and cover included
- Gen 4 Specific — engineered for Haldex 4 operating pressures and electronic engagement characteristics
- Prevents Pump Failure — a clogged filter starves the pre-charge pump, leading to expensive coupling failure
- Service Interval Corrected — change every 60,000–80,000 km (sooner for performance, modified or track use)
Compatible with the following models (Must confirm with VIN or Part Number):
AUDI
A1 / S1 (8X)
- All Quattro variants – CDLH
A3 / S3 (8P Facelift)
- 2.0 TFSI Quattro – BWA | CDAA | CCZA
- S3 Quattro – BZC | CDLC
- 2.0 TDI Quattro – CBAB | CBBB | CFFB | CFGB
RS3 Sportback (8P)
- 2.5 TFSI Quattro – CDLA
TT / TTS / TTRS (8J Facelift)
- 2.0 TFSI Quattro – CDLB | CESA
- TTS Quattro – CDLF | CESA
- TTRS Quattro – CEPA
Q3 / RSQ3 (8U)
- 2.0 TFSI Quattro – CCZC | CFGC | CFGD | CPSA
- 2.0 TDI Quattro – CLLB | CFFB
- 2.5 TFSI RSQ3 Quattro – CZGA | CTSA
VOLKSWAGEN
Golf Mk6 / Golf R (5K)
- 2.0 TSI R 4Motion – CDLA | CCZA
Tiguan Mk1 (5N)
- 2.0 TSI 4Motion – CCZA | CAWB | CCZB
- 2.0 TDI 4Motion – CFFB | CFGB | CBAB
Passat B6 (3C) / B7 (36) / CC
- 3.6 V6 FSI R36 4Motion – BLV
- 2.0 TSI 4Motion – CCZA | CAWB
- 2.0 TDI 4Motion – CBAB | CBBB
Transporter T5 Late Facelift (7E/7H)
- 2.0 TDI BiTDI 4Motion – CFCA | CFRA
TRANSPORTER T6 Platform/Chassis (SFD, SFE, SFL, SFZ, SJD, SJ)
- 2.0 TDI 4Motion – CAAC
Note: This filter is specific to Haldex 4 (Gen 4) coupling systems only. Not compatible with Haldex 1, 2, or 3 units. Confirm your generation before ordering
OE/OEM Part Numbers
VW 0BR 525 558
VW 01Z 525 558
VW 09N 525 554 A
VW 09N 525 554
VW 0AY 525 554 B
VW 0BR 525 554 A
VW 0BS 525 554 A
VW 0BS 525 554 B
VW0BY 525 554
VW 2K0 525 554 A
VW 2K0 525 554
VW 0BR 525 554
VW 0BS 525 554
Audi 0BR 525 558
Audi 0AY 525 554 B
Audi 0BR 525 554 A
Audi 0BS 525 554 A
Audi 0BS 525 554 C
Audi 0BS 525 554
Audi 0BY 525 554
Audi 2K0 525 554
Audi 0BR 525 554





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