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Clutch Master Cylinder
By OE Match
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE Match Clutch Master Cylinder is a high-quality hydraulic clutch system component designed to convert clutch pedal movement into hydraulic pressure, enabling smooth and precise clutch operation. Manufactured to OE specifications for fit, performance and durability, this master cylinder forms a critical part of the clutch actuation system, ensuring reliable engagement and disengagement of the clutch assembly.
Fits:
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Constructed from high-grade materials with precision-machined internal components and durable seals, the clutch master cylinder is engineered to withstand repeated hydraulic pressure cycles, temperature variations and long-term use. It provides consistent hydraulic force transfer between the clutch pedal and the clutch slave cylinder, helping maintain smooth gear changes and driving comfort.
What This Product Does:
- Converts clutch pedal movement into hydraulic pressure.
- Transfers hydraulic force to the clutch slave cylinder.
- Enables smooth clutch engagement and disengagement.
- Supports accurate gear selection and shifting.
- Maintains consistent clutch pedal feel.
- Helps reduce clutch system effort during operation.
- Ensures reliable clutch actuation under varying driving conditions.
- Contributes to overall drivetrain performance and drivability.
Symptoms Of Wear Or Failure:
- Soft, spongy or inconsistent clutch pedal feel.
- Clutch pedal sinking towards the floor.
- Difficulty selecting gears.
- Incomplete clutch disengagement.
- Hydraulic fluid leaks around the master cylinder.
- Low clutch fluid level.
- Clutch pedal requiring excessive effort.
- Grinding noises when shifting gears.
- Visible fluid contamination or seal failure.
- Complete loss of clutch operation in severe cases.
Why Replacement Matters:
- The clutch master cylinder operates every time the clutch pedal is pressed and is continually exposed to hydraulic pressure, heat and fluid movement. Over time, internal seals can wear, piston surfaces may deteriorate and corrosion can develop within the cylinder bore, reducing hydraulic efficiency.
- A failing clutch master cylinder can cause poor clutch operation, difficult gear changes and increased wear on the clutch assembly and transmission components. If left unresolved, hydraulic failure can result in complete loss of clutch function, potentially leaving the vehicle unable to be driven safely.
- Replacing a worn or faulty clutch master cylinder restores proper hydraulic pressure, improves clutch performance and ensures smooth, reliable gear engagement. An OE Match replacement provides factory-style fitment, dependable sealing performance and long-term durability, helping maintain the driving experience and reliability expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91142317103
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
Fits:
Porsche 911 1987-89
Click 'Zoom in' for large parts diagram.
Diagram ref no. 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91142317706
The product you are viewing cross references to these numbers
OEMatch clutch master cylinders for Porsche models restore consistent pedal feel and reliable hydraulic pressure across classic and modern vehicles. These units support smooth gear changes and predictable pedal modulation. OEMatch Clutch Master Cylinder components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable.
Available Types- Replacement clutch master cylinders for direct fit where applicable
- Master cylinder repair kits for seal and bore restoration
- Reconditioned or remanufactured units where specified
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original clutch master cylinders.
OE (Original Equipment) refers to parts matching original specifications for the clutch master cylinders and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM clutch master cylinders engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The clutch master cylinder converts pedal movement into hydraulic pressure, sending fluid to the slave cylinder to engage or disengage the clutch. Properly sized bores and sealing components maintain pedal feel and system pressure; when seals deteriorate or fluid becomes contaminated, hydraulic performance falls and gear selection can become difficult. OEMatch focuses on clutch master cylinder-related items selected for Porsche applications, offering replacement units and repair kits suited to restoration and routine maintenance.
- Restored pedal feel and predictable hydraulic response
- Reduced risk of fluid leakage and air ingress
- Supports consistent gear engagement during normal and spirited driving
- Internal seal deterioration from age and fluid contamination
- Corrosion of bore or piston surfaces caused by moisture in hydraulic fluid
- Air ingress or debris entering the circuit, reducing pressure and modulation
Replacing a worn or leaking master cylinder restores stable hydraulic pressure and reduces the risk of clutch drag, slippage or missed gear changes. When fitting a new unit, replace the fluid, fully bleed the system and inspect the slave cylinder and hydraulic lines for wear or leaks. Choosing a correctly dimensioned replacement helps preserve pedal modulation and drivability for Porsche models.
Advantages- Manufactured to original-spec dimensions and tolerances for consistent fit
- Compatible with factory systems and sensors where present
- Available as complete units or service kits to suit restoration or maintenance tasks
Support & Advice
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified and confirm correct bleed procedures for the hydraulic system after fitting.
