Cheap Peugeot 207 ECU

Yes, every Peugeot 207 has at least one ECU (engine control unit) regardless of engine or fuel type, so this is a genuine part for all variants of the model. Petrol and diesel versions each have their own ECU matched to the engine, and the two are not interchangeable. When searching, make sure you specify petrol or diesel from the outset so breakers quote you the correct unit.

The 207 ran from 2006 to 2014, with a facelift arriving for the 2010 model year, but the generation boundary does not automatically mean the ECU changed — what really matters is whether both cars share the same engine code. If your engine code matches the donor car's engine code exactly, fitment is far more likely, but ancillary and software changes can occur mid-production, so confirm compatibility with the breaker against your registration before buying.

Yes — the ECU is programmed to a specific engine family, so two 207s built in the same year but fitted with different engines (for example a 1.4 VTi versus a 1.6 HDi) will need completely different ECUs. Your engine code is printed on your V5 logbook or can be found via a VIN check, and supplying it to the breaker is the single most useful thing you can do. Year is a useful secondary filter but should never substitute for the engine code.

Trim level does not affect ECU fitment on the 207; what matters is the engine code, fuel type, and gearbox type. A Sport and a base S model fitted with the same engine will use the same ECU. The trims may differ in interior and exterior features, but those cosmetic differences have no bearing on which engine control unit is fitted.

Yes, gearbox type can affect ECU specification because the engine management system communicates with the gearbox on automatic and semi-automatic versions, so an ECU from a manual car may not be a straight swap into an automatic and vice versa. Always tell the breaker whether your car is manual or automatic alongside the engine code. Confirm the exact compatibility with the breaker against your registration, as calibration details can vary.

A used ECU from another 207 will generally need to be paired or coded to your vehicle's immobiliser and key system before it will allow the engine to start — it cannot simply be swapped in without this step in most cases. The coding process typically requires specialist diagnostic equipment and is usually carried out by a Peugeot dealer or an auto-electrician. Confirm the exact pairing requirements with the breaker when you buy, as the process and any associated cost vary depending on the specific unit and your car's system.