Second Hand Hyundai i30 Engine Wiring Loom

Both years fall within the Mk2 i30 generation (2012–2017), so there is a reasonable chance of compatibility, but Hyundai made running production changes to ancillaries and connectors across this generation that can affect loom fitment. The single most important check is that the engine code on your V5 matches the donor car exactly, as even the same-sized engine in the same generation can carry a different loom if the code differs. Confirm the specific part numbers against your registration with the breaker before buying.

The Mk1 i30 ran from 2007 to 2012 and the Mk2 from 2012 to 2017 — these are entirely different platforms with different engines, so a loom from one generation will not fit the other. Engine looms are wired to specific engine codes and ECU configurations, meaning a cross-generation swap is not viable. Stick to sourcing a loom from the same generation and the same engine code as your car.

Yes, all Hyundai i30 variants across every generation carry an engine wiring loom — it is the main electrical harness connecting the ECU to the sensors, injectors, and actuators on the engine. Fuel type matters significantly: a petrol loom and a diesel loom are not interchangeable even within the same model year, because the sensor and injector wiring differs. Gearbox type can also affect the loom on some variants, so give the breaker your engine code, fuel type, and gearbox type alongside your registration to get the right match.

Trim level — whether Classic, Active, Premium, or Sport Nav — does not affect which engine wiring loom you need, as the loom follows the engine code, not the badge or interior specification. A loom from a lower trim car with the same engine code is mechanically equivalent to one from a higher trim car. The only thing to bear in mind is that the donor car's loom condition may vary, but fitment-wise trim is irrelevant.

The Mk2 i30 received a facelift in 2015, and while the engine range was broadly carried over, Hyundai sometimes made mid-cycle changes to engine management and ancillary wiring that can affect loom compatibility across that boundary. The engine code is your most reliable guide — if the codes match, there is a stronger case for compatibility, but you should still confirm against your specific registration with the breaker, as running production changes can catch buyers out.

Year and fuel type narrow things down usefully but are not enough on their own, because Hyundai used more than one engine option per fuel type in several model years, each with its own loom. The engine code — a short alphanumeric string found on your V5 logbook or via a VIN check — is the single most reliable detail for matching an engine loom correctly. Ask the breaker to verify the donor vehicle's engine code against yours before committing to the purchase.