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Clutch Hoses & Lines
Fits:
Porsche 986 Boxster 1997-04
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2006-08
Porsche 987C.2 Cayman 2009-12
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-05
Porsche 997.1 Carrera 2005-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99742313700
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
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12 Month Warranty
Worldwide Delivery
The Genuine Porsche Hydraulic Clutch Pipe 98642311308 is a replacement hydraulic line for the clutch operating system on compatible Porsche vehicles.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Diagram Ref No 10
The clutch hydraulic system uses pressurised fluid to transfer movement from the clutch pedal to the clutch release mechanism. The hydraulic clutch pipe provides a sealed route for this fluid between the relevant hydraulic components, allowing the clutch to engage and disengage correctly when the pedal is operated.
A leaking, corroded or damaged clutch pipe can cause loss of hydraulic pressure, making gear changes difficult and potentially preventing the clutch from disengaging altogether. Because clutch operation depends on maintaining a sealed hydraulic circuit, any confirmed fluid leak or significant pipe deterioration should be addressed promptly.
What This Product Does:
The hydraulic clutch pipe carries hydraulic fluid under pressure through the clutch operating circuit.
When the clutch pedal is pressed, the hydraulic system generates pressure. This pressure is transmitted through the clutch line to operate the clutch release mechanism.
The pipe therefore helps:
- Transfer hydraulic pressure through the clutch system
- Allow the clutch to disengage when the pedal is pressed
- Support smooth and consistent clutch operation
- Maintain a sealed hydraulic fluid circuit
- Provide reliable communication between clutch hydraulic components
If the pipe cannot retain pressure, normal clutch operation can be compromised.
Symptoms Of Wear Or Failure:
Common symptoms of a damaged or leaking clutch hydraulic pipe can include:
- Visible hydraulic fluid leakage
- Damp or wet areas around the pipe
- Fluid around pipe connections
- Falling hydraulic fluid level
- Soft or spongy clutch pedal
- Clutch pedal travelling further than normal
- Clutch pedal remaining close to the floor
- Inconsistent clutch operation
- Difficulty selecting gears
- Grinding when attempting to select a gear
- Clutch failing to disengage fully
- Loss of clutch operation in severe cases
- Visible corrosion or physical damage to the pipe
These symptoms can also be caused by other clutch hydraulic components, so proper diagnosis is important.
Why Replacement Matters:
Replacing a damaged, corroded or leaking hydraulic clutch pipe helps restore the integrity of the clutch hydraulic circuit.
A sound replacement pipe helps:
- Maintain hydraulic pressure
- Prevent hydraulic fluid loss
- Prevent air entering the system
- Restore consistent clutch pedal operation
- Allow complete clutch disengagement
- Improve reliable gear selection
- Reduce the risk of sudden loss of clutch operation
- Protect associated transmission components from poor clutch disengagement
A small hydraulic leak can eventually become a complete loss of clutch operation, so early replacement is preferable once the pipe is confirmed to be defective.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98642311308
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987.1 Boxster - 2005 to 2008
Porsche 987.1 Cayman - 2005 to 2008
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99635554300
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 1998-05
Porsche 996 GT3 1999-05
Porsche 997.1 C2/C4/C2S/C4S 2005-08
Porsche 997 GT2 / GT2 RS 2007-13
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Price is for EACH.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99923054110
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Shop Securely
12 Month Warranty
Worldwide Delivery
High-Quality Clutch Hoses & Hydraulic Lines for Smooth, Consistent Clutch Performance
Clutch hoses and hydraulic lines play a crucial role in the clutch system, ensuring brake fluid (or hydraulic fluid) reaches the slave cylinder with the correct pressure. These hoses transmit the force generated by the clutch pedal, allowing the clutch to engage and disengage smoothly. A healthy clutch hose ensures precise pedal feel, clean gear changes and reliable performance in both daily driving and high-load conditions.
Whether you are restoring a classic, maintaining a modern performance vehicle or repairing a leaking hydraulic system, high-quality clutch hoses and lines are essential for safe, predictable clutch operation.
What Clutch Hoses and Hydraulic Lines Do
These components support clutch function by:
- Transferring
hydraulic pressure from the master cylinder to the slave cylinder
- Maintaining
consistent fluid flow for smooth clutch engagement
- Ensuring
precise pedal feel, particularly under hard driving
- Withstanding
pressure spikes during quick shifts or spirited acceleration
- Resisting
expansion, especially with braided or reinforced hose upgrades
- Supporting long-term hydraulic system reliability
A properly functioning hydraulic line ensures optimal clutch operation in all driving conditions.
Why Clutch Hoses and Lines Commonly Fail
Clutch hoses operate in high-temperature, high-pressure
environments, and over time they can degrade or fail. Common reasons include:
- Rubber
hose swelling or softening due to age and fluid exposure
- Cracking
or brittleness from heat cycling
- Corrosion
on metal hard lines
- Internal
collapse, restricting fluid flow
- Leaks
caused by worn fittings or degraded seals
- Contamination,
weakening hose material
- Abrasion or physical damage from engine movement or debris
Failure symptoms often include a spongy or soft clutch pedal, difficulty engaging gears, fluid leaks, or complete clutch loss.
Why You Should Replace Worn Clutch Hoses & Lines
Replacing worn or damaged hoses with a high-quality, precision-engineered alternative designed to meet original hydraulic performance standards restores clutch reliability and drivability.
Benefits include:
- Faster, more consistent clutch engagement
- Improved pedal feel and responsiveness
- Reduced risk of hydraulic failure or loss of clutch control
- Enhanced durability in high-temperature conditions
- Better resistance to pressure spikes
- Longer-lasting performance with braided or reinforced hose upgrades
A new clutch hose or line is a cost-effective upgrade that significantly improves safety, shifting quality and overall driving confidence.
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