Used Alfa Romeo 147 Gearbox

The 147 ran from 2001 to 2010, with a facelift in 2004, so a 2001 and a 2005 car sit either side of that boundary. Engine code is the key factor here — if both cars share the same engine code, the gearbox is far more likely to be compatible, but whether ancillary fittings and mounting points changed across the 2004 facelift boundary is something you should confirm with the breaker against your registration before buying.

No — the Twin Spark is a petrol engine and the JTD is a diesel, and these use entirely different gearboxes that are not interchangeable. Always match the gearbox to the correct fuel type and, more precisely, to the exact engine code, which you can find on your V5 or via a VIN check. Supply the engine code to the breaker so they can source the correct unit.

For the standard petrol and diesel engines, trim level such as Lusso or Veloce does not affect gearbox fitment — what matters is the engine code, fuel type, and whether the box is manual or automatic. The GTA is a different matter entirely, as it used the 3.2 V6 with its own distinct gearbox, so a GTA unit will not suit a standard 147. Confirm the engine code with the breaker regardless of trim.

Body style has no bearing on gearbox fitment — the gearbox is determined by the engine code, fuel type, and gearbox type, not by how many doors the donor car had. A unit from a 3-door and a 5-door car with the same engine code are mechanically the same in terms of the gearbox itself. Focus on matching the engine code and confirm any ancillary details with the breaker.

The single most useful detail is your engine code, which is printed on your V5 logbook or can be found via a VIN check — this matters more than the year or model badge alone. You should also tell the breaker your fuel type, whether your car is manual or automatic, and your registration number so they can cross-reference everything. Be aware that ECU pairing and immobiliser coding to a used gearbox may need professional attention after fitting, so confirm this with the breaker or your mechanic before purchasing.

The 2004 facelift marks a known production boundary for the 147, and whether gearboxes cross that boundary cleanly depends on the specific engine code involved. If the engine code is identical on both donor and recipient cars, fitment is more likely, but mounting and ancillary changes mid-production are something you must confirm with the breaker against your registration rather than assume. Supply your engine code and reg to the breaker so they can advise accurately.