Second Hand Alfa Romeo Giulia Cylinder Head

The Alfa Romeo Giulia launched in 2016 and has continued as a single generation with a mid-life refresh around 2020, so a 2017 and a 2020 car could sit either side of that production change. Engine code is the deciding factor here — if both cars share the same engine code (found on your V5 or via a VIN check), the core cylinder head is very likely compatible, but whether ancillary fittings and mounting points match across that refresh boundary is something you should confirm with the breaker against your specific registration. Never assume fitment without checking the codes first.

Engine code matters far more than year for a mechanical part like a cylinder head — the Giulia was offered with several engines including 2.0-litre petrol and 2.2-litre diesel units, and heads from different engine families are not interchangeable even if the cars are the same age. Your engine code will be on your V5 logbook or can be confirmed through a VIN check, and it's the single most useful detail you can give a breaker when requesting a quote. Matching by year alone is not a reliable method for this part.

Trim level — whether Super, Veloce, or any other — does not affect which cylinder head is fitted; what matters is the engine code, which is determined by the engine variant rather than the trim grade. A Veloce and a Super running the same 2.0-litre petrol engine code will use the same cylinder head. You may find ancillary components or sensor configurations differ between cars depending on build date, so confirm those details with the breaker, but the trim name itself is not a fitment consideration.

No — petrol and diesel cylinder heads are entirely different components and are not interchangeable under any circumstances. Diesel heads are built to withstand much higher compression ratios and have a completely different combustion chamber design compared to petrol units. Always match fuel type exactly, and give the breaker your engine code to make sure they supply the correct part.

Gearbox type does not directly affect the cylinder head itself, as the head is part of the engine rather than the drivetrain. However, gearbox type is worth mentioning to the breaker because it can help them pinpoint the exact engine variant and build specification of the donor car, which in turn helps confirm the right ancillaries come with the head. The engine code remains the primary detail to supply.

It's risky to buy a cylinder head without a confirmed engine code, because even within the same fuel type the Giulia's engines have specific variants and the head must match exactly. Ask the breaker to confirm the engine code from the donor vehicle before you commit, and cross-reference it against your own V5 or VIN check. A reputable breaker should be able to provide that information, and if they can't it's safest to look elsewhere.