5WS40379A-T – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Sun, 25 Jan 2026 03:49:00 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.4 Siemens SID 201 Engine Control Unit 5WS40379A-T 1939AZ https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/control-unit-siemens-sid-201-5ws40379a-t-1939az/ Fri, 28 Mar 2025 03:01:05 +0000 https://www.usedpartsvendor.com/uncategorized/control-unit-siemens-sid-201-5ws40379a-t-1939az/ The Siemens SID 201 Engine Control Unit is an essential component designed to optimize the performance of 2.7 HDI V6 engines found in various Citroën and Peugeot models. This unit plays a crucial role in managing fuel injection, ensuring precise control for improved efficiency and reduced emissions.

Commonly sought by automotive technicians and DIY car enthusiasts, the SID 201 unit may be identified by its product codes, including 5WS40379A-T, 9648237680, and 9658198080. It is important to regularly check and replace the engine control unit to prevent potential failures, which can occur due to wear, electrical issues, or overheating.

Replacing the engine control unit typically involves removing the old unit and installing the new one, requiring basic automotive skills. Regular maintenance and timely replacement help maintain the optimal functioning of your vehicle.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 201
  • Product Codes: 5WS40379A-T, 9648237680, 9658198080
  • Additional Numbers: 1939 AZ, 1939AZ
]]> Siemens SID 201 Injection Control Unit 5WS40379A-T 9648237680 https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/control-unit-siemens-sid-201-5ws40379a-t-9648237680-2/ Sat, 09 Dec 2023 05:08:50 +0000 https://www.usedpartsvendor.com/uncategorized/control-unit-siemens-sid-201-5ws40379a-t-9648237680-2/ The Siemens SID 201 Injection Control Unit is engineered specifically for 2.7 HDI V6 engines, making it an ideal replacement part for the Peugeot 407. This unit plays a critical role in managing the fuel injection system, ensuring precise timing and delivery for optimal engine performance and fuel efficiency.

If your Peugeot 407 experiences performance issues related to fuel injection or engine management, replacing the faulty control unit with this reliable component can restore smooth operation. The installation process is generally straightforward and can be performed by skilled car enthusiasts or professional mechanics, but expert installation is recommended to ensure system compatibility and proper calibration.

Technical Information:

  • Manufacturer: Siemens
  • Model: SID 201
  • Product Codes: 5WS40379A-T, 9648237680, 9658198080, 1939WP, 1942SN
  • Additional Numbers: PSA Citroen Peugeot

This control unit is a vital component within the fuel injection system; its functionality directly affects engine responsiveness, fuel consumption, and emissions. Over time, issues such as electrical faults, internal component wear, or moisture ingress can cause the control unit to fail, leading to engine misfires or starting problems.

By choosing this high-quality control unit, you ensure your vehicle maintains peak performance while avoiding the higher costs associated with new units. Properly functioning engine management electronics are essential for compliance with emission standards and overall vehicle reliability.

Note: Professional installation is recommended to guarantee system integrity and performance.

]]>