Ford Focus Master Clutch Cylinder: Specs, Fitment & Common Faults
Everything worth knowing before you buy — part numbers, which generations it fits, and the warning signs that it's on its way out.
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Ford Focus Master Clutch Cylinder: OEM Part Number
Ford Focus Master Clutch Cylinder: Why This Part Gets Blamed for Bigger Problems
A failing hydraulic clutch component rarely announces itself clearly. Symptoms often get mistaken for a worn clutch plate, a dying slave cylinder, or even a gearbox fault — leading plenty of owners to pay for the wrong repair before someone finally traces it back here. Knowing exactly what this part does, and how it fails, saves both money and a second trip to the garage.
Ford Focus Master Clutch Cylinder: What It Does
On the Ford Focus, the master clutch cylinder converts the pressure from your foot on the clutch pedal into hydraulic force, pushing fluid through a line to the slave cylinder, which in turn disengages the clutch. When it works properly, you don't think about it at all — which is usually a sign it's doing its job.
Part Numbers
| OEM (Mk3, 2011–2018) | Varies by engine/transmission — confirm via VIN |
|---|---|
| OEM (Mk4, 2018–) | Varies by engine/transmission — confirm via VIN |
| Common aftermarket brands | Sachs, LUK, Febi Bilstein, ATP |
Fitment & Compatibility
This part is not interchangeable across every generation of the Focus — hydraulic clutch systems changed between the Mk3 (2011–2018) and Mk4 (2018 onward), and diesel/petrol variants sometimes use different bore sizes. Cross-check the exact part number against your specific vehicle before ordering; a cylinder that looks identical can still be the wrong fit. Whether you're sourcing a replacement master clutch cylinder for your Ford Focus from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying.
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Ford Focus Master Clutch Cylinder: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Master Clutch Cylinder Guide for symptoms of failure, how difficult this job is to DIY, and aftermarket advice.