9657544780 – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 25 Jan 2026 03:28:44 +0000 en-GB hourly 1 https://wordpress.org/?v=7.0 Siemens SID 801A Engine Control Unit 5WS40146F-T 1939Z7 https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/siemens-sid-801a-5ws40146f-t-1939z7-control-unit/ Sat, 20 Mar 2021 03:23:03 +0000 https://www.usedpartsvendor.com/siemens-sid-801a-5ws40146f-t-1939z7-control-unit/ The Siemens SID 801A Engine Control Unit is a vital component designed for the Citroen Berlingo and Peugeot Partner models equipped with a 2.0 HDI engine. Optimizing engine performance, this high-quality ECU plays a crucial role in the fuel injection system, ensuring efficient combustion and emissions control.

With product codes like 9647423380, 9657544780, and 5WS40146C-T, this unit is engineered for reliability and longevity. Commonly replaced due to wear and tear from extreme temperature fluctuations and high engine loads, timely replacement is essential for maintaining vehicle performance.

Installation of the Siemens SID 801A can be carried out by experienced mechanics or DIYers familiar with automotive electrical systems. Remove the old ECU, disconnect wiring harnesses, and install the new unit by connecting the harnesses and securing it in place.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 801A
  • Product Codes: 5WS40146F-T, 5WS40146C-T, 9647423380, 9657544780
  • Additional Numbers: 1939Z7
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