Plug & Play Siemens Engine ECU, 5WS40427C-T, 5WS40427CT, SW9663862880, HW9655534080, SID 803A A6421502379 9 TDi 110HP 2002)

9 TDi 110HP 2002)

as we cannot offer diagnostic trial or returns on this item

Audi S6 C5 4

5 90HP 2002)

Plug & Play Siemens Engine ECU, 5WS40427C-T, 5WS40427CT, SW9663862880, HW9655534080, SID 803A A6421502379 9 TDi 110HP 2002)This OEM replacement ECU has been thoroughly tested by our in house technicians to ensure reliability. If you have any questions about its suitability for your needs, feel free to reach out, our team is here to help. At Cartech Electronics, we are committed to offering high quality, used replacement engine ECUs at a fraction of the cost of a new module from the main dealer. Depending on the variant you select, turnaround times may vary, please check