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- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
This BOSCH Clutch Slave Cylinder is a vital hydraulic component within the clutch operating system, responsible for converting hydraulic pressure from the clutch master cylinder into mechanical movement that disengages the clutch. Located on or near the gearbox bellhousing, the slave cylinder actuates the clutch release mechanism, allowing smooth gear changes and proper clutch operation.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
Diagram Ref No 1
PLEASE NOTE:
For 986 Boxsters 2.5L / 2.7L 1997-99 upto chassis number WP0ZZZ98ZXS603069 you may require updated:
- pipe (No. 98642311325) CLICK HERE
and
- fitting bracket (No. 98642367725) CLICK HERE
This BOSCH clutch slave cylinder is designed to provide consistent hydraulic performance, precise clutch engagement, and reliable long-term operation. Built from durable, corrosion-resistant materials, it is engineered to withstand repeated clutch use, hydraulic pressure cycles, and demanding driving conditions.
What This Product Does:
- Receives hydraulic pressure from the clutch master cylinder
- Operates the clutch release mechanism to disengage the clutch
- Allows smooth gear changes and clutch engagement
- Maintains consistent clutch pedal feel and operation
- Supports efficient power transfer between engine and transmission
- Works as part of the vehicle’s hydraulic clutch system
Symptoms Of Wear Or Failure:
- Soft, spongy, or inconsistent clutch pedal feel
- Difficulty selecting gears
- Clutch pedal sticking to the floor
- Hydraulic fluid leaks around the slave cylinder
- Loss of clutch pressure
- Grinding when changing gears
- Incomplete clutch disengagement causing transmission drag
- Low clutch fluid levels due to leakage
Why Replacement Matters:
- Restores proper clutch disengagement and engagement
- Improves gear selection and shifting quality
- Prevents hydraulic fluid leaks and pressure loss
- Maintains consistent clutch pedal feel
- Reduces strain on clutch and gearbox components
- Helps prevent premature clutch wear and transmission damage
- Ensures reliable vehicle operation and driving comfort
- Maintains the integrity of the hydraulic clutch system
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
8E0721257M
The product you are viewing cross references to these numbers
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.
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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.
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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.
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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
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• Resistant to hot and cold water
• Reduces stick-slip and frictional vibration
• Helps eliminate squeaking noises
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• Suitable for hydraulic cylinders and moving assemblies
• Wide operating temperature range from -30°C to +250°C
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Applications
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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:
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Temperature Performance
Designed for demanding operating conditions, Molub-Alloy Paste White T remains effective across a wide temperature range:
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Benefits include:
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