9664626580 – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 25 Jan 2026 03:40:54 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.4 ECU Siemens VDO SID803A 5WS40610B-T 9661642180 9664626580 1943K1 https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-vdo-sid803a-5ws40610b-t-9661642180-9664626580-1943k1-2/ Thu, 23 May 2024 04:06:15 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-vdo-sid803a-5ws40610b-t-9661642180-9664626580-1943k1-2/ The ECU Siemens VDO SID803A is a vital component for effective engine management in Citroën and Peugeot vehicles.

Part numbers include 5WS40610B-T, 9661642180, 9664626580, and 1943K1, making it easy to find and replace.

This injection control unit ensures optimal performance by regulating the fuel injection process, which is crucial for fuel efficiency and vehicle responsiveness.

Over time, issues can arise due to wear and tear, especially in older models. Symptoms of an outdated or malfunctioning ECU may include rough idling, decreased fuel efficiency, and engine misfires. Regular checks and timely replacements can significantly enhance your vehicle’s performance.

Installation is straightforward if you have basic mechanical skills. Typically, replacing the ECU involves disconnecting the battery, removing the old unit, and securely installing the new one, followed by reconnecting the battery and performing a system reset.

Technical Information

  • Manufacturer: Siemens VDO
  • Model: SID803A
  • Product Codes: 5WS40610B-T, 9661642180, 9664626580
  • Additional Numbers: 1943K1
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