1938LC – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 12 Apr 2026 20:42:58 +0000 en-GB hourly 1 https://wordpress.org/?v=7.0.2 ECU Siemens SID 801 5WS40030B-T 9644302380 1938LC https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-sid-801-5ws40030b-t-9644302380-1938lc-2/ Fri, 28 Mar 2025 03:09:02 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-sid-801-5ws40030b-t-9644302380-1938lc-2/ The Siemens ECU SID 801 5WS40030B-T is a critical component for managing the engine performance of Citroën and Peugeot vehicles, specifically compatible with models such as the Peugeot 307 2.0 HDI. This unit ensures optimal fuel injection and engine efficiency, providing 66 kW of power.

Replacing the ECU is essential when you experience engine malfunctions such as poor fuel efficiency, rough idling, or failure to start. The ECU can fail due to electrical issues, software malfunctions, or wear and tear over time, necessitating its replacement to restore vehicle performance.

Technical Information:

  • Manufacturer: Siemens
  • Model: SID 801
  • Product Codes: 5WS40030B-T, 9644302380
  • Additional Numbers: 9646449280, 1938LC
]]> ECU Siemens SID 801 Citroën Peugeot 5WS40020H-T https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-sid-801citroen-peugeot-5ws40020h-t/ Tue, 20 Feb 2024 05:06:02 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-sid-801citroen-peugeot-5ws40020h-t/ The Siemens SID 801 ECU is an essential component for Citroën and Peugeot vehicles, particularly known for its application in models such as the Peugeot 307 2.0 HDI RHY with 66kW output. This Engine Control Unit plays a crucial role in managing fuel injection and optimizing engine performance, thus enhancing the overall driving experience.

This specific unit is compatible with various vehicle codes, including 5WS40020H-T, 9641849280, 9644895180, and 1938LC, making it a versatile choice for automotive technicians and DIY enthusiasts alike.

When it comes to replacement, it is advisable to check for signs of failure, such as poor engine performance or increased fuel consumption. Regular maintenance and occasional checks can prevent premature failure. In case of malfunction, replacing the ECU may be necessary to restore engine efficiency.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 801
  • Product Codes: 5WS40020H-T, 9641849280, 9644895180
  • Other Numbers: 1938LC
]]> Control Unit Siemens SID 801A 5WS40045B-T https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/siemens-sid-801a-5ws40045b-t-control-unit/ Sun, 17 May 2020 00:00:19 +0000 https://www.usedpartsvendor.com/siemens-sid-801a-5ws40045b-t-control-unit/ The Siemens SID 801A Control Unit 5WS40045B-T is a crucial electronic component used in various Peugeot and Citroën vehicles, including the 2003 Peugeot 307 2.0 HDI 66kw. This advanced control unit is designed to optimize engine management and fuel injection, ensuring smooth operation and improved vehicle performance.

As a part of the PSA group, this control unit plays a vital role in the functioning of the vehicle’s electronic systems. Common issues that lead to the need for replacement include faulty sensors, electrical failures, or software glitches that may arise over time due to wear and tear. Regular diagnostics can help identify potential failures before they impact overall vehicle performance.

Replacing the control unit is straightforward for experienced mechanics, typically involving disconnecting the battery, removing the old unit, and connecting the new one. For best results, reprogramming might be required to sync with the vehicle’s existing systems.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 801A
  • Product Codes: 5WS40045B-T, 9650517980, 9647423380
  • Additional Numbers: 1938LC
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