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Clutch Slave Cylinder
Molub-Alloy Paste White T – High Performance Assembly & Anti-Fretting Paste
Molub-Alloy Paste White T is a premium high-performance assembly paste designed to provide exceptional protection against fretting corrosion, stick-slip, wear, and seizure in demanding automotive, industrial, and workshop applications.
This white assembly paste applies cleanly and appears almost colourless when spread as a thin layer, making it ideal for precision assembly work where cleanliness and protection are equally important.
Formulated for universal assembly and thin-film lubrication applications, Molub-Alloy Paste White T helps simplify component assembly and future disassembly while protecting contact surfaces against corrosion, vibration-related wear, and moisture ingress.
Its advanced formulation provides excellent resistance to both hot and cold water while delivering long-lasting corrosion protection under harsh operating conditions.
Particularly effective in applications exposed to vibration and frictional movement, the paste helps prevent fretting corrosion and reduces stick-slip behaviour, making it ideal for hydraulic cylinders, open lubrication points, threaded assemblies, sliding surfaces, and mechanical components subject to oscillating movement.
The product also helps eliminate squeaking noises and improves smooth operation in moving assemblies exposed to high loads and thermal stress.
Suitable for temperatures ranging from -30°C to +250°C, Molub-Alloy Paste White T delivers reliable lubrication and anti-corrosion performance across a wide range of workshop, automotive, and engineering environments.
Key Features
• High-performance white assembly paste
• Prevents fretting corrosion and surface wear
• Clean application with almost colourless thin-film appearance
• Helps simplify assembly and future disassembly
• Excellent anti-seize and separating properties
• Resistant to hot and cold water
• Reduces stick-slip and frictional vibration
• Helps eliminate squeaking noises
• Provides long-lasting corrosion protection
• Suitable for hydraulic cylinders and moving assemblies
• Wide operating temperature range from -30°C to +250°C
• Suitable for automotive, engineering, and industrial applications
Applications
Molub-Alloy Paste White T is ideal for:
• Assembly lubrication
• Anti-fretting protection
• Threaded fasteners and fittings
• Hydraulic cylinders
• Sliding and contact surfaces
• Open lubrication points
• Components exposed to vibration
• Mechanical assemblies requiring anti-seize protection
• Automotive workshop applications
• Industrial machinery and engineering assemblies
Why Use Molub-Alloy Paste White T?
Mechanical components exposed to vibration, friction, heat, and moisture can suffer from fretting corrosion, seizure, stick-slip, and accelerated wear.
Molub-Alloy Paste White T helps protect components by:
• Reducing friction between contact surfaces
• Preventing corrosion and seizure
• Improving assembly and removal
• Minimising vibration-induced wear
• Protecting against moisture and contamination
This makes it ideal for long-term component protection and reliable assembly work.
Temperature Performance
Designed for demanding operating conditions, Molub-Alloy Paste White T remains effective across a wide temperature range:
• Operating temperature: -30°C to +250°C
• Suitable for hot and cold operating environments
• Maintains lubrication and protection under thermal load
Clean & Professional Assembly Solution
Unlike darker anti-seize compounds, this white assembly paste offers a cleaner, more professional appearance during application and servicing.
Benefits include:
• Cleaner working environment
• Reduced visible residue
• Easier inspection during assembly
• Professional workshop finish
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 Turbo 1976-79
Porsche 924 Turbo/GT 1980-85
Porsche 924S 1986-88 Manual
Porsche 944 1982-91 Manual
Porsche 928 1978-86 Manual
Click 'Zoom in' for large parts diagram.
Fits in no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811690100
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
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12 Month Warranty
Worldwide Delivery
OE Porsche clutch slave cylinder for Porsche 924 Turbo, 924S and 944 models. This hydraulic cylinder converts pressure from the clutch master cylinder into movement at the clutch release mechanism.
Fits:
Porsche 924 Turbo 1979 – 1982
Porsche 924S 1986 – 1988
Porsche 944 1982 – 1991
Check fitment for your specific vehicle (model, year, engine) before ordering.
What This Product Does
When the clutch pedal is pressed, hydraulic pressure travels from the master cylinder to the slave cylinder. Its internal piston then operates the clutch release mechanism, allowing the clutch to disengage so that gears can be selected.
Functions
- Converts hydraulic pressure into clutch release movement
- Operates the clutch release mechanism
- Supports consistent clutch pedal action
- Allows the clutch to engage and disengage correctly
Technical Details
- Genuine OE Porsche component
- Porsche part number: 94411623700
- Official Porsche catalogue description: clutch operating cylinder
- Designed for the hydraulic clutch system
- Used with the clutch master cylinder and hydraulic line
Symptoms of Fault
- Soft or sinking clutch pedal
- Clutch pedal remaining close to the floor
- Difficulty selecting or changing gears
- Sudden changes to the clutch bite point
- Hydraulic fluid around the cylinder or clutch housing
- Intermittent loss of clutch operation
Why Replacement Matters
A worn or leaking slave cylinder may lose hydraulic pressure and prevent the clutch from disengaging fully. Replacing the defective cylinder helps restore normal clutch actuation and reduces the risk of losing clutch operation. The hydraulic line, master cylinder, release fork and associated components should also be inspected during installation.
FAQs
- Does the clutch system need bleeding after installation?
Yes. Air must be removed from the hydraulic circuit using the correct bleeding procedure. - Can similar symptoms be caused by the master cylinder?
Yes. The master cylinder, hydraulic line and slave cylinder should be checked for leakage, wear and loss of pressure. - Could difficult gear selection indicate a worn clutch?
Yes. Clutch wear or a fault in the release mechanism can produce similar symptoms, so diagnosis is recommended before replacing parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411623700
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
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12 Month Warranty
Worldwide Delivery
This Sachs clutch slave cylinder is suitable for specified Porsche 924 Turbo, 924S and 944 models built from 1979 to 1991. It replaces the hydraulic operating cylinder that moves the clutch release mechanism when the pedal is pressed.
Fits:
Porsche 924 Turbo 1979 - 1982
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
Check fitment for your specific vehicle (model, year, engine) before ordering.
What This Product Does
The slave cylinder receives pressurised hydraulic fluid from the clutch master cylinder. Its internal piston then extends the pushrod, operating the clutch release mechanism so that drive can be interrupted for starting, stopping and changing gear. Sachs supplies clutch and transmission components developed around original-equipment requirements and factory-style operation.
Functions
- Changes hydraulic pressure into mechanical movement
- Operates the clutch release mechanism
- Allows the clutch to disengage during gear selection
- Supports a consistent clutch pedal action
- Maintains pressure within the clutch hydraulic circuit
Technical Details
- Product type: clutch slave cylinder
- Brand: Sachs
- Porsche reference: 94411623700
- Sachs supplier reference: 6283 605 013
- Installed at the clutch housing
Symptoms of Fault
- A soft clutch pedal or one that sinks towards the floor
- Difficulty selecting gears while the engine is running
- A clutch bite point that changes unexpectedly
- Hydraulic fluid around the cylinder or clutch housing
- Incomplete clutch disengagement
- Intermittent loss of clutch operation, particularly after repeated use
Why Replacement Matters
Worn seals, corrosion or damage inside the cylinder can allow fluid to escape or pressure to bypass the piston. Replacing a leaking or ineffective slave cylinder restores the movement required to operate the clutch release mechanism and reduces the risk of losing clutch control. The hydraulic line, master cylinder, clutch fork and release components should also be inspected where accessible, as faults in these areas can produce similar symptoms.
OE Reference
- 94411623700
FAQs
- Does the system need bleeding after installation?
Yes. Air must be removed from the clutch hydraulic circuit using the correct bleeding procedure. - Could difficult gear selection be caused by the clutch itself?
Yes. The master cylinder, hydraulic line, clutch fork, release bearing and clutch assembly should be checked before confirming the fault. - Should the clutch master cylinder also be replaced?
Not automatically, but it should be inspected for leakage, internal pressure loss and wear, particularly if both cylinders are of a similar age. - Does hydraulic fluid specification matter?
Yes. Use the fluid specification stated for the vehicle and avoid mixing incompatible fluids.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411623700
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
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12 Month Warranty
Worldwide Delivery
FTE clutch slave cylinder for Porsche 924 Turbo, 924S and 944 models. This hydraulic operating cylinder converts fluid pressure from the clutch master cylinder into movement at the clutch release mechanism.
Fits:
Porsche 924 Turbo 1979 - 1982
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
What This Product Does
Pressing the clutch pedal causes the master cylinder to send hydraulic fluid through the clutch line. The slave cylinder responds to this pressure by moving its piston and pushrod, operating the clutch release mechanism so that the clutch can disengage for gear selection. FTE applies its experience as an automotive hydraulic component manufacturer to replacement clutch and brake parts.
Functions
- Receives hydraulic pressure from the clutch master cylinder
- Moves the clutch release mechanism
- Allows the clutch to engage and disengage
- Supports consistent clutch pedal travel
- Helps permit clean gear selection
Technical Details
- Brand: FTE
- Part type: hydraulic clutch slave cylinder
- OE reference: 94411623700
- Used with manual-transmission clutch hydraulic systems
Symptoms of Fault
- A soft or sinking clutch pedal
- The pedal remaining close to the floor
- Difficulty selecting or changing gears
- A clutch that does not disengage fully
- A sudden or inconsistent change in the clutch bite point
- Hydraulic fluid around the slave cylinder or bellhousing area
- Intermittent loss of clutch operation, particularly after repeated use
Why Replacement Matters
A leaking or internally worn slave cylinder may be unable to move the release mechanism far enough to disengage the clutch correctly. Replacement can restore hydraulic operation and reduce the risk of losing clutch control. The clutch master cylinder, hydraulic line, release fork, pivot and release bearing should also be inspected where accessible, as faults elsewhere in the system can produce similar symptoms.
FAQs
- Does the clutch system need bleeding after installation?
Yes. Air must be removed from the hydraulic circuit using the correct bleeding procedure. - Should the hydraulic fluid be renewed?
Renewal is advisable when the existing fluid is old, dark or contaminated. Always use the vehicle manufacturer's specified fluid. - Could difficult gear selection be caused by the clutch itself?
Yes. A worn clutch, release mechanism, master cylinder or damaged hydraulic line can cause similar symptoms, so diagnosis should cover the complete system. - What should be checked during replacement?
Inspect the master cylinder, hydraulic hose and connections for leaks. Check the clutch fork, pivot and release bearing where access allows.
Check fitment for your specific vehicle, including model, year and engine, before ordering.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411623700
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
Shop Securely
12 Month Warranty
Worldwide Delivery
OE Match clutch slave cylinder for Porsche 924 Turbo, 924S and 944 models. This replacement hydraulic cylinder operates the clutch release mechanism when pressure is applied through the clutch circuit.
Fits:
Porsche 924 Turbo 1979 - 1982
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
What This Product Does
The clutch slave cylinder receives pressurised fluid from the clutch master cylinder. Its internal piston then moves the clutch release mechanism, allowing the clutch to disengage while selecting or changing gear. When pedal pressure is released, the cylinder returns with the clutch mechanism so drive can be re-engaged.
Functions
- Converts hydraulic pressure into clutch release movement
- Operates the clutch release mechanism
- Supports consistent clutch pedal travel
- Allows the clutch to disengage for gear selection
- Maintains hydraulic operation between the master cylinder and clutch
Technical Details
- Brand: OE Match
- Part type: hydraulic clutch slave cylinder
- OE reference: 94411623700
- Also described as a clutch operating cylinder
- Application: manual-transmission clutch hydraulic system
Symptoms of Fault
- A soft, spongy or sinking clutch pedal
- The clutch pedal remaining close to the floor
- Difficulty engaging or changing gears
- The clutch failing to disengage fully
- An inconsistent or suddenly altered clutch bite point
- Hydraulic fluid visible around the cylinder or bellhousing
- Intermittent loss of clutch operation after repeated use
Why Replacement Matters
Worn internal seals or an external leak can prevent the slave cylinder from maintaining enough pressure or travel to release the clutch correctly. Replacing a faulty cylinder restores the hydraulic link between the pedal and clutch mechanism, helping to recover normal pedal movement and clean gear engagement. The master cylinder, hydraulic hose, pipe connections and specified fluid should also be inspected, as faults elsewhere in the circuit may produce similar symptoms. Where accessible, check the release fork, pivot and release bearing for wear.
FAQs
- Does the system require bleeding after installation?
Yes. Air introduced during replacement must be removed using the correct bleeding procedure. - Should the hydraulic fluid be renewed?
Renewal should be considered if the existing fluid is old, dark or contaminated. Use the fluid specification stated by the vehicle manufacturer. - Can difficult gear selection have another cause?
Yes. The clutch assembly, master cylinder, hydraulic line or release mechanism can create similar symptoms, so the complete system should be checked. - What else should be inspected during replacement?
Examine the master cylinder, hose and connections for leaks, along with the clutch fork, pivot and release bearing where access permits.
Check fitment for your specific vehicle (model, year, engine) before ordering.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411623700
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
Shop Securely
12 Month Warranty
Worldwide Delivery
Porsche Clutch Slave Cylinders | Hydraulic Precision & Smooth Gear Engagement
The clutch slave cylinder is a vital component in your Porsche’s hydraulic clutch system. Working in tandem with the clutch master cylinder, it converts hydraulic pressure into mechanical movement to disengage the clutch, allowing smooth and precise gear changes. A properly functioning slave cylinder ensures a consistent clutch pedal feel and reliable performance on every drive.
At Design911, we supply premium clutch slave cylinders designed to meet or exceed original performance standards. Each component is precision-engineered using high-grade materials and corrosion-resistant seals to maintain hydraulic pressure, resist fluid leaks, and deliver smooth, consistent clutch engagement.
Whether you’re restoring a classic 911 or maintaining a modern Porsche sports car, our clutch slave cylinders ensure reliability, precision, and the performance your vehicle deserves.
What Does a Clutch Slave Cylinder Do?
The clutch slave cylinder is the final link in the hydraulic clutch system, responsible for actuating the clutch release mechanism.
Core Functions:
- Converts hydraulic pressure from the master cylinder into clutch release movement.
- Allows gear engagement and disengagement with minimal pedal effort.
- Maintains proper hydraulic pressure throughout the clutch system.
- Ensures consistent pedal feel and smooth shifting performance.
- Works in sync with clutch master and release bearing components.
Without a properly functioning slave cylinder, clutch engagement becomes inconsistent, leading to stiff or spongy pedal feel and difficulty shifting gears.
Why Do Clutch Slave Cylinders Fail or Degrade?
Clutch slave cylinders operate under high hydraulic pressure and are exposed to heat, vibration, and clutch dust — all of which can cause wear and failure over time.
Common Causes of Failure Include:
- Internal seal wear causing fluid leaks.
- Air ingress into the hydraulic system.
- Corrosion from moisture-contaminated brake fluid.
- Cracked housing due to mechanical stress or age.
- Fluid contamination leading to seal deterioration.
When a slave cylinder fails, you may notice clutch fluid leaks, a soft or sinking pedal, or complete clutch disengagement failure.
Why Replace or Upgrade Your Porsche Clutch Slave Cylinder?
Replacing a worn or leaking clutch slave cylinder restores proper hydraulic performance, consistent clutch engagement, and pedal response.
Key Benefits:
- Restores smooth, responsive clutch operation.
- Prevents fluid leaks and loss of hydraulic pressure.
- Improves gear shift accuracy and driver control.
- Ensures long-lasting reliability and performance.
- Compatible with Porsche 911, Boxster, Cayman, and other models.
- Ideal for routine maintenance, clutch upgrades, or complete hydraulic rebuilds.
For optimal performance, it’s recommended to replace both the master and slave cylinders together to maintain system balance and pressure consistency.
Highlights
- Precision-engineered Porsche clutch slave cylinders.
- High-quality seals and durable construction for reliability.
- Consistent hydraulic pressure and pedal feel.
- Direct-fit replacements for modern and classic Porsche models.
- Resistant to heat, corrosion, and clutch fluid degradation.
- Perfect for maintenance, performance upgrades, or restorations.
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