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Clutch Guide Tube
2 per car.

Fits:
Porsche 911 1974-89 (not TURBO)
Porsche 964 1989-94
Porsche 993 1995-98
Porsche 996 GT3 2000-05
Price is for each.
Click on 'Zoom in' to see the diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99927007001
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 911 1974-86
Diagram ref No 10A.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970135940
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
The OE Match Clutch Guide Tube is a high-quality replacement transmission component designed to provide a precise guide path for the clutch release bearing within the clutch operating system. Manufactured to OE specifications for fit, accuracy and durability, this guide tube ensures smooth and consistent movement of the release bearing during clutch engagement and disengagement.
Fits:
- Porsche 911 1984-1986 3.2L
Diagram Ref No 10
Installed on the gearbox housing, the guide tube supports and aligns the clutch release bearing as it travels along its operating path. Its precision-machined surface helps reduce friction, maintain correct bearing alignment and promote smooth clutch operation, making it an essential component for reliable transmission performance.
What This Product Does:
- Provides a guide surface for the clutch release bearing.
- Maintains correct alignment of the clutch release mechanism.
- Supports smooth clutch engagement and disengagement.
- Reduces friction within the clutch operating system.
- Helps ensure consistent clutch pedal feel.
- Minimises wear on the release bearing assembly.
- Contributes to smooth gear changes and reliable drivetrain operation.
Symptoms Of Wear Or Failure:
- Stiff, heavy or inconsistent clutch pedal operation.
- Difficulty selecting or changing gears.
- Rough clutch engagement or disengagement.
- Squeaking, scraping or grinding noises during clutch operation.
- Premature wear of the clutch release bearing.
- Clutch release bearing sticking or binding.
- Poor clutch disengagement.
- Visible scoring, corrosion or wear on the guide tube during inspection.
Why Replacement Matters:
- The clutch guide tube is subjected to constant contact from the clutch release bearing every time the clutch pedal is operated. Over time, friction, contamination and normal wear can cause the guide surface to become scored, worn or corroded, reducing the smooth operation of the clutch release system.
- A worn guide tube can increase stress on the clutch release bearing and other clutch components, resulting in poor clutch feel, difficult gear changes and accelerated wear throughout the clutch assembly. If left unresolved, excessive wear may contribute to premature failure of the release bearing and additional transmission-related repairs.
- Replacing a worn clutch guide tube restores smooth release bearing movement, improves clutch performance and helps protect associated clutch components from unnecessary wear. An OE Match replacement provides factory-style fitment, precision manufacturing and long-term durability, ensuring dependable clutch operation and preserving the driving characteristics of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91511608704
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L

Fits:
Porsche 911 1974-86 (915 gearbox)
Click on 'Zoom in' to see the diagram.
Diagram ref No 23.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91511661301
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Need 3 per car.

Fits:
Porsche 911 1974-86
Click on 'Zoom in' to see the diagram.
Diagram ref No 4.
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
The update is a also good repair for those whom have loose, damaged or worn out guide tubes.
** This requires machining to fit
The original is machined off and a custom steel tube is fitted. It's further retained from the inside of the diff case with a high quality snap ring and sealed with the factory o-ring.
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Porsche Clutch Release Bearing Guide Tubes | Smooth Operation & Precise Alignment
Clutch release bearing guide tubes are crucial components in your Porsche’s clutch assembly, ensuring the smooth and precise movement of the clutch release bearing. These cylindrical sleeves allow the bearing to slide freely and accurately when the clutch pedal is pressed, maintaining consistent alignment and preventing uneven wear on surrounding components.
At Design911, we supply high-quality clutch release bearing guide tubes and sleeves engineered to match or exceed original specifications. Manufactured from precision-machined steel or aluminium alloys, each guide tube offers exceptional durability, corrosion resistance, and surface smoothness — guaranteeing reliable performance and consistent clutch operation across Porsche models.
Whether you’re servicing a 911, Cayman, Boxster or more, replacing a worn or damaged guide tube helps restore smooth clutch engagement and ensures optimal bearing travel under load.
What Do Clutch Release Bearing Guide Tubes Do?
The clutch release bearing guide tube (also known as a bearing sleeve or collar) acts as a sliding surface for the clutch release bearing, ensuring it moves in perfect alignment with the pressure plate.
Core Functions:
- Provides a low-friction surface for the release bearing to travel on.
- Keeps the bearing aligned with the clutch diaphragm spring.
- Prevents side-loading or misalignment during clutch operation.
- Reduces friction, vibration, and wear within the clutch assembly.
Without a properly functioning guide tube, the bearing can bind, chatter, or wear unevenly — leading to clutch engagement issues and potential transmission damage.
Why Do Clutch Release Bearing Guide Tubes Fail or Wear Out?
Guide tubes endure constant contact with the moving release bearing and are exposed to heat, vibration, and clutch dust. Over time, these factors contribute to wear, corrosion, and frictional damage.
Common Causes of Failure Include:
- Scoring or pitting from bearing friction or contamination.
- Heat damage from excessive clutch use or poor lubrication.
- Corrosion from moisture or road debris.
- Deformation or cracking due to excessive force during clutch installation.
- Bearing misalignment or worn clutch components causing uneven wear.
Once damaged, a guide tube can cause rough clutch feel, noisy bearing operation, or even prevent full clutch disengagement — making replacement essential for smooth performance.
Why Replace Your Porsche Clutch Release Bearing Guide Tube?
Replacing your clutch release bearing guide tube ensures precise bearing movement, consistent pedal feel, and longer clutch lifespan. Upgraded or precision-engineered replacements provide superior fitment and durability, improving clutch responsiveness and reducing future maintenance.
Key Benefits:
- Restores smooth, friction-free bearing operation.
- Prevents clutch chatter, noise, and vibration.
- Protects release bearing and clutch components from wear.
- Maintains proper clutch alignment for optimal performance.
- Constructed from high-strength, corrosion-resistant materials.
- Ideal for both maintenance and performance applications.
For best results, the guide tube should always be replaced alongside the release bearing and clutch components during a clutch service.
Highlights
- Precision-engineered guide tubes for Porsche clutch systems.
- Designed for exact fitment and smooth bearing travel.
- Manufactured from hardened steel or aluminium alloys.
- Corrosion- and heat-resistant for extended service life.
- Essential for smooth clutch engagement and reliable operation.
- Suitable for Porsche 911, Boxster, Cayman, and other models.