VW Polo 1.2 TDI Diesel ECU Computer Box 03P906021AB Delphi DCM3.7 CFWA
Genuine OEM Delphi DCM3.7 Engine Control Module (ECU / Diesel Computer Box) removed from a running donor vehicle and kept in dry storage. Manufactured by Delphi in Hungary. Please verify that the manufacturer part numbers listed below match your old unit exactly before purchasing to guarantee seamless system integration.
Technical Specifications:
VAG OEM Part Number: 03P 906 021 AB (03P906021AB)
Interchangeable VAG Number: 03P 906 021 AA (03P906021AA)
Delphi Part Number: 28289761
Management System: Delphi Diesel DCM3.7
Hardware Profile (HW): H04
Engine Code Compatibility: CFWA (1.2 TDI 3-Cylinder Common Rail 55kW / 75HP)
Known Vehicle Fitment:
Volkswagen Polo Mk5 (6R/6C) (1.2 TDI Approx. 20102014 models)
Škoda Fabia Mk2 / Roomster (1.2 TDI variants)
Seat Ibiza Mk4 (6J) (1.2 TDI Ecomotive configurations)
Used / Tested: In clean physical condition with an entirely intact aluminum housing. The primary factory identification plate label is crisp and completely legible. Both multi-pin socket terminal guide blocks are free from cracks or plastic rot.
Important Note to the Buyer:This module features an active factory immobilizer profile linked to its original chassis components (BCM/Cluster). It is not plug-and-play. To use this in your vehicle, it will require specialist automotive locksmith intervention or an expert tuner to flash your original vehicle's EEPROM/Flash data setup onto this replacement box.