Alfa Romeo Giulia Throttle Body Replacement Parts

Yes, but only on the petrol-engined variants — the 2.0-litre turbocharged four-cylinder (engine code 55273835 / AR engine family) and the 2.9-litre twin-turbo V6 in the Quadrifoglio both use a throttle body. The 2.2-litre diesel variants (engine code Q4 diesel family) use a different form of intake control and do not have a conventional throttle body in the same way, so diesel owners are unlikely to need this part. If you are unsure which engine you have, check your V5 or run a VIN check to confirm the engine code before searching.

The Alfa Romeo Giulia was launched in 2016 and received a facelift around 2020, so a 2017 car is pre-facelift and a 2021 car is post-facelift. Provided both cars share the same engine code — most commonly the 2.0-litre turbo petrol — fitment is likely to be similar, but whether ancillary mounting or sensor configurations changed across that 2020 facelift boundary is something you should confirm with the breaker against your specific registration. Always cross-reference engine codes rather than relying on year alone.

Trim level — whether Super, Sprint, Veloce, or Ti — does not affect throttle body fitment, because this is a mechanical part that follows the engine, not the badge. Both a Super and a Veloce running the same 2.0-litre turbo petrol engine code will use the same throttle body. Focus on matching engine code and fuel type, and ignore trim when searching.

No — the Quadrifoglio uses a 2.9-litre twin-turbocharged V6 engine, which is an entirely different unit to the 2.0-litre four-cylinder found in other Giulia variants, so the throttle body will not be the same. You should search specifically for a Quadrifoglio or 2.9 V6 unit and confirm the engine code with the breaker. These are far rarer in the breakers market given the low volumes of Quadrifoglio cars, so availability may be limited.

The 2.0-litre turbo petrol engine used in the Giulia is also found in other Alfa Romeo and wider FCA/Stellantis group vehicles, so there is a possibility of cross-model compatibility if the engine codes match — but this is not guaranteed, as intake configurations and sensor specifications can vary between applications. Confirm the engine code on both donor and recipient vehicles and put this directly to the breaker before purchasing. Do not assume badge-level similarity means part-level compatibility.

This is a common concern and a valid one — some throttle bodies on modern vehicles require adaptation or may be paired to the engine management system. Whether the Giulia's throttle body needs ECU adaptation after fitting a used unit is something you should confirm with your fitting garage or an Alfa specialist rather than assuming either way. This is not something a parts breaker can guarantee, so factor potential coding costs into your decision before buying.