BSM R03 DELPHI Citroën Peugeot 9666700280

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PSA CITROEN PEUGEOT 9666700280 9807028680 9807028780

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SKU: 4077-K1_KR3a M4077 Categories: , ,


This is a used part with a guarantee of functionality. Damage to one of the holders is possible – it does not affect functionality

BSM R03 DELPHI Citroën Peugeot 9666700280

The BSM (Boîtier de Servitude Moteur) unit, designated R03 by Delphi and part number 9666700280, is a key component of the electrical system of Citroën and Peugeot vehicles. This module is designed to control and distribute electrical energy in the engine compartment of the vehicle, which is necessary for the reliable operation of various electronic systems.

Technical properties:

  • Compatibility: Designed for various models of Citroën and Peugeot cars.
  • Manufacturer: Delphi, a renowned manufacturer of automotive electronic components.
  • Part Number: 9666700280, 9664706080, 9675878080, 9807028680, 9807028780
  • Module type: BSM R03, a specific version intended for certain configurations of the vehicle’s electrical systems.


The BSM R03 unit functions as the main junction box in the engine compartment of the vehicle. It is responsible for controlling and distributing electrical power to various systems and components such as headlights, wipers, fans and other important systems. This module also protects these circuits from overloads and short circuits with integrated fuses and relays.


  • Efficient distribution of electrical power: Ensures reliable and efficient transmission of electrical power to various vehicle systems.
  • Circuit Protection: Integrated fuses and relays protect electrical circuits from overloads and short circuits, increasing vehicle safety.
  • Reliability: High-quality components from Delphi ensure long life and reliable performance, which is key to trouble-free vehicle operation.


When installing the BSM R03 unit, it is important to ensure that all cables and connectors are correctly connected according to the manufacturer’s specifications. It is recommended that the installation be carried out by a qualified technician or an authorized service center, which will ensure the correct functionality and safety of the entire system.


To maintain optimal performance and reliability of the vehicle’s electrical systems, it is important to use genuine replacement parts or parts from reputable manufacturers such as Delphi. The use of original parts ensures compatibility and long-term reliability, which is essential for the safe and efficient operation of the vehicle.


The BSM R03 unit from Delphi (9666700280) is a key component for the proper functioning of the electrical systems of Citroën and Peugeot vehicles. Thanks to high-quality processing and reliable performance, it ensures the safe and efficient operation of various electronic systems in the vehicle. This unit is essential to ensure that the vehicle’s electrical systems operate smoothly and safely.

Additional information

Weight 1 kg