Peugeot 207 / 308 / Citroën C4 Engine Control Unit Box (ECU) – Delphi DCM3.4 9665996080 is an electronic module designed to manage key engine functions for select Peugeot and Citroën models. This unit processes inputs from various sensors to regulate the engine’s performance, fuel injection, and emission control systems.
The ECU plays a critical role in maintaining engine efficiency and drivability by controlling ignition timing and air-fuel ratios. When replacing this part, ensure it matches the Delphi DCM3.4 model and the exact part number 9665996080 to align with your vehicle’s requirements. This listing applies specifically to Peugeot 207, Peugeot 308, and Citroën C4 vehicles.
Buyers should compare their current ECU’s part number and connector type to confirm compatibility. Note that coding, calibration, and fault diagnosis are not guaranteed with this unit, so dealer or workshop assistance may be required to adapt the ECU to your vehicle’s specifications.
- Fits Peugeot 207, 308 and Citroën C4 models
- Delphi DCM3.4 ECU unit with part number 9665996080
- Essential for engine management and performance control
When sourcing this Engine Control Unit Box, verify your vehicle’s exact model details and existing ECU numbering to ensure correct replacement and avoid functionality issues.
Need help matching this item to your vehicle? Use more ECU & Lock Set, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

