Second Hand Hyundai i40 Clutch Master Cylinder

Only manual gearbox versions of the i40 have a clutch master cylinder — it is part of the hydraulic system that operates the clutch pedal. Automatic gearbox i40s have no clutch pedal or clutch master cylinder at all, so if your car is an automatic you will not find this part on it. Check your V5 or a VIN check to confirm your gearbox type before searching.

The i40 was sold in the UK from 2011 to 2019 in a single generation, with petrol engines including the 1.6 GDi (engine code G4FD) and 2.0 GDi (G4NC), and diesel engines including the 1.6 CRDi (D4FB) and 1.7 CRDi (D4FD) — manual gearbox variants of all these could carry a clutch master cylinder. The engine code is the most reliable detail to give a breaker, as it sits above trim or badge when matching hydraulic components. Your engine code is printed on your V5 or can be found via a VIN check.

The Hyundai i40 ran as a single generation from 2011 to 2019, with a facelift arriving around 2015, so a 2012 car is pre-facelift and a 2016 car is post-facelift. The engine code and fuel type are your most important matching criteria, and if both cars share the same engine code the part may well interchange — however, whether ancillary or mounting details changed at the facelift boundary is something you should confirm with the breaker against your registration rather than assume. Never guarantee fitment across that boundary without the breaker checking both donor and recipient details.

Trim level does not affect which clutch master cylinder you need — S, SE, SE Nav, and Premium are cosmetic and equipment distinctions and do not change the clutch hydraulics. What matters is your engine code, fuel type, and whether your car has a manual gearbox; give the breaker those details rather than the trim name. You may find cosmetic differences on a part-car from a different trim, but the clutch master cylinder itself will not vary by trim.

These are different engine codes — the 1.7 CRDi is the D4FD and the 1.6 CRDi is the D4FB — and while both are manual diesel variants of the i40, you should not assume the clutch master cylinder is identical across different engine codes without checking. Provide your exact engine code to the breaker and ask them to match it against the donor vehicle's code before purchasing. Mechanical parts follow the engine code above all else, so this check is essential.

Cross-model fitment is possible in some cases where Hyundai shares components across platforms, but it is not something to assume — the i40, i30, and i20 are built on different platforms with different hydraulic system specifications. Give your engine code and registration to the breaker and ask them to check parts compatibility directly rather than relying on brand or family similarity. A reputable breaker will be able to cross-reference the part numbers to confirm before you buy.