Used Fiat Fullback Gearbox

The Fiat Fullback was sold in the UK as a single generation running from 2016 to 2020, so gearboxes from within that window are your starting point for compatibility. That said, fitment depends far more on your engine code than the model year alone, so always quote your engine code (found on your V5 or via a VIN check) when getting quotes from a breaker. Never assume a match on year alone.

Both years fall within the same single-generation Fullback (2016–2020), which is a good sign, but there can be running production changes to mountings or ancillaries mid-generation that aren't always documented publicly. Provide your engine code to the breaker and ask them to cross-reference it against the donor vehicle's code before buying, as this is the detail that confirms mechanical compatibility more reliably than year alone.

The Fiat Fullback shares its platform and drivetrain with the Mitsubishi L200 Series 5 (2015 onwards), and the gearboxes are closely related, meaning breakers will often cross-reference both when sourcing a unit. However, you should confirm with the breaker that the specific unit matches your engine code and gearbox type (manual or automatic), as subtle differences can exist between the two brands' configurations. Always verify against your registration before agreeing a sale.

Trim level does not affect gearbox fitment — what matters is your engine code, fuel type, and whether your vehicle has a manual or automatic gearbox, not whether it's a standard Fullback or the Fullback Cross. You may find cosmetic or interior differences between trim levels on a donor vehicle, but these have no bearing on whether the gearbox itself will interchange. Confirm the engine code match with your breaker and you can disregard the trim name entirely.

Yes, this is critical — a manual and automatic gearbox are completely different units and are not interchangeable. When contacting a breaker, confirm whether your vehicle is a manual or automatic (and whether it is two-wheel drive or four-wheel drive, as this also affects the transmission setup) alongside your engine code. Getting this wrong is one of the most common and costly mistakes when sourcing a used gearbox.

Whether the replacement gearbox requires ECU pairing or any immobiliser-related coding depends on the specific vehicle and the unit being fitted, and this is something you should confirm directly with your breaker and your fitting garage before purchasing. Some automatic gearboxes in particular can involve electronic pairing considerations that vary by vehicle. Don't assume a used unit will be a straight swap electronically — get clarity on this before you commit.