5WS40146F-T – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 25 Jan 2026 03:36:13 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.2 ECU Siemens SID 801A for Citroën and Peugeot 9647423380 5WS40146F-T https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-sid-801a-citroen-peugeot-9647423380-5ws40146f-t-2/ Sat, 16 Dec 2023 05:15:26 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-sid-801a-citroen-peugeot-9647423380-5ws40146f-t-2/ The Siemens SID 801A Engine Control Unit (ECU) is designed specifically for diesel engines, notably the 2.0 HDI powertrain found in Citroën Berlingo and compatible Peugeot vehicles. This ECU plays a crucial role in managing engine functions such as fuel injection timing, air-fuel mixture regulation, and emission controls to optimize performance and fuel efficiency.

Commonly referenced by product codes 9647423380 and 5WS40146F-T, this ECU ensures precise electronic control over the engine’s combustion process, enhancing reliability and response under various driving conditions. It is a highly sought-after component among professional mechanics and DIY enthusiasts performing repairs or replacements on PSA group vehicles.

Replacement is typically straightforward, involving disconnection of the battery, removal of the old ECU by unplugging connectors and unscrewing fixing points, followed by installation of the new unit. It is recommended to use diagnostic tools to reprogram or synchronize the unit with the vehicle’s immobilizer system post-installation.

Failures can result from electrical faults, water ingress, or aging internal components, causing symptoms such as engine stalling, poor fuel economy, or starting difficulties. Regular inspection and timely replacement help maintain optimal engine operation.

Technical Information

  • Manufacturer: Siemens
  • Model Compatibility: Citroën Berlingo 2.0 HDI, select Peugeot 2.0 HDI models
  • Product Codes: 9647423380, 9657544780
  • Additional Numbers: 5WS40146F-T, 1939Z7
]]> 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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