5WS40276B-T – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 25 Jan 2026 03:15:02 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.4 ECU Siemens VDO SID803A 5WS40276B-T 1939RN https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-vdo-sid803a-5ws40276b-t-1939rn-2/ Sat, 16 Dec 2023 05:05:17 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-vdo-sid803a-5ws40276b-t-1939rn-2/ The Siemens VDO SID803A ECU is a high-performance injection control unit that plays a crucial role in managing your vehicle’s engine performance. Designed specifically for Citroen and Peugeot models, this ECU ensures that your vehicle runs efficiently and meets the necessary emissions standards. This unit is primarily fitted in the following model:

  • Peugeot 307 2.0 HDI RHR (2006)

Replacing the ECU is essential if you experience engine performance issues, unexpected stalling, or difficulty starting the vehicle. Frequent causes of ECU failure include electrical surges, short-circuits, or exposure to extreme temperature conditions that can lead to internal component damage.

This unit is designed to seamlessly integrate with your vehicle’s existing electronics, enhancing functionality such as fuel injection accuracy and engine timing, ultimately improving fuel efficiency and reducing emissions.

Technical Information

  • Manufacturer: Siemens VDO
  • Model: SID803A
  • Product Codes: 5WS40276B-T
  • Additional Numbers: 1939RN, 9655534080, 9659343180, 1943V2, 1940ZQ, 1942V0
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