Second Hand Alfa Romeo 155 Clutch Master Cylinder

Yes, but only on manual gearbox variants — the clutch master cylinder is the hydraulic component that connects the clutch pedal to the slave cylinder, and it is present on all 155 models fitted with a manual transmission. The 155 was available with both manual and automatic gearboxes, so if your car has an automatic, there is no clutch master cylinder to replace. If you are unsure which gearbox type your car has, check your V5 or run a VIN check before ordering.

The Alfa Romeo 155 ran from 1992 to 1998 as a single generation, with a facelift introduced in 1995 that brought some exterior and interior changes. The clutch master cylinder is a mechanically driven component that follows the engine code and drivetrain layout rather than the facelift revision, so a pre-1995 and post-1995 cylinder may well be compatible if the engine code matches — however, ancillary and mounting changes can occur mid-production, so you should confirm interchangeability with the breaker against your specific registration before buying.

Yes — engine code is the most important detail for matching this part, as different engines in the 155 range (including the 1.6, 1.8, 2.0 Twin Spark, 2.5 V6, and the turbocharged 2.0 Q4 variants) can have different clutch system specifications. The engine code is printed on your V5 logbook or can be obtained from a VIN check, and supplying it to the breaker is the single most useful thing you can do to get the right part. Do not rely on engine size alone, as the same displacement was sometimes used across more than one engine variant.

It can matter, because different engine variants may use clutch systems with different bore sizes or mounting arrangements, meaning a master cylinder from a 1.8 may not be a direct swap for a Twin Spark 2.0 even if the cars look identical. Always quote your engine code to the breaker rather than just the badge or displacement, as this gives them the precise reference needed to pull the correct unit. If you have already noted the code from your V5, share it when requesting a quote through Findapart.

Trim level itself does not determine clutch master cylinder fitment — what matters is the engine code and gearbox type, not whether the car is a base model, a Ti, or another variant. The Q4 is worth noting separately because it uses a turbocharged engine and four-wheel-drive system, which may mean a different clutch specification compared to front-wheel-drive variants, so always confirm the engine code. Cosmetic differences between trim levels such as interior finish or alloy wheels have no bearing on this part.

Some Alfa Romeo models from the same era, such as the 164 or GTV, share platform or drivetrain components, and there may be cross-compatibility on certain engine codes — however, this is not something to assume without verification. Supply the breaker with your 155's engine code and ask them to check whether a unit from another model is a confirmed match, as bore size, port positioning, and reservoir fitment can differ. A reputable breaker will be able to cross-reference part numbers to confirm before you commit.