Nissan 350Z ECU Replacement Parts

Yes, every Nissan 350Z has an ECU (engine control unit) — it is a standard fitment across all variants of the car, including both the coupe and roadster body styles sold in the UK. The 350Z was produced from 2002 to 2009 and all used the naturally aspirated VQ35DE V6 engine, so there is no turbocharged variant to worry about when searching. Every UK-market 350Z left the factory with an ECU as a core part of the engine management system.

The Nissan 350Z ran from 2002 to 2009 and received a significant facelift in 2006, which brought updates to the engine and associated management systems, so crossing the pre-facelift (2002–2005) and post-facelift (2006–2009) boundary is the key risk here. A 2003 ECU and a 2007 ECU are from different generations of the car and are unlikely to be directly compatible. You should confirm the specific part numbers with the breaker against your registration before buying.

Trim level does not affect ECU fitment on the 350Z — the GT, Touring, and GT4 trims all share the same VQ35DE engine and the ECU follows the engine, not the badge. What you may find is that higher trims carry additional comfort or audio equipment, but none of that changes the engine management unit. Match the ECU by engine code and year range rather than trim, and you will not go wrong on that basis.

The 350Z facelift arrived in 2006, and while the engine remained the VQ35DE throughout the car's life, there were revisions to the engine tune and ancillary systems at that point which may affect ECU compatibility. Swapping a pre-facelift ECU (2002–2005) into a post-facelift car (2006–2009) or vice versa is a boundary crossing you should confirm with the breaker against your exact registration and part number. Do not assume they swap directly because the engine code looks the same.

The single most useful thing you can supply is the engine code, which you can find on your V5C or by running a VIN check — for all UK 350Zs this should be VQ35DE, but the specific calibration variant matters. You should also give your registration number, model year, and gearbox type (six-speed manual or five-speed automatic), as these details help the breaker match the correct unit. Be aware that ECUs are often paired to the vehicle's immobiliser, so confirm with the breaker whether the unit will need coding to your car before you buy.

Gearbox type is a genuine fitment consideration for the 350Z ECU because the engine management system communicates with the gearbox, and a unit mapped for the five-speed automatic will differ from one paired with the six-speed manual. You should not assume an automatic ECU will work correctly in a manual car even if the engine codes match. Always tell the breaker your gearbox type alongside your registration when requesting a quote.