Please wait… 
Please wait while we process your order,
do not press the back button…
do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Category Filter
Torque Tube Bearing Bushing. Porsche 964 C4 /993 C4 - 96442101221B
96442101221B
Vehicle Group
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Information
Torque Tube Bearing Bushing.
Restore critical drivetrain support in your Porsche 911 AWD models with this genuine-spec torque tube bearing bushing. Designed for the Porsche 964 (1989-94) C4 and 993 (1995-98) C4 series, this precision bearing support replaces the internal bushing of the torque tube and ensures your drive shaft remains aligned, smooth and free from excessive vibration. Ideal for restoring worn drive assemblies, eliminating shaft rumble or clunk, and maintaining the structural integrity of your Porsche’s AWD drivetrain.
Sold Each.
x3 Bearings Required For Torque Tube.
Fits:
Fits Inside Diagram Ref No 1
What This Product Does:
Symptoms & Signs Of Wear / Need For Replacement:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96442101221B
The product you are viewing cross references to these numbers
Restore critical drivetrain support in your Porsche 911 AWD models with this genuine-spec torque tube bearing bushing. Designed for the Porsche 964 (1989-94) C4 and 993 (1995-98) C4 series, this precision bearing support replaces the internal bushing of the torque tube and ensures your drive shaft remains aligned, smooth and free from excessive vibration. Ideal for restoring worn drive assemblies, eliminating shaft rumble or clunk, and maintaining the structural integrity of your Porsche’s AWD drivetrain.
Sold Each.
x3 Bearings Required For Torque Tube.
Fits:
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Fits Inside Diagram Ref No 1
What This Product Does:
- The bearing bushing supports the drive shaft inside the torque tube, allowing it to spin freely, in correct alignment, while the tube assembly maintains structural connection between gearbox and front differential (or transfer case) in AWD/4WD models.
- It ensures smooth rotation, minimal vibration, correct alignment of the shaft, and keeps axial or radial movement within acceptable limits. This preserves drivetrain geometry, reduces wear on the shaft/flange joints and supports NVH (noise-vibration-harshness) control.
- If the bearing bushing is worn or failed, the drive shaft may exhibit excessive movement, misalignment, vibrations, or clunking—leading to further accelerated wear of connected components (flanges, bearings, seals).
Symptoms & Signs Of Wear / Need For Replacement:
- Vibration or grinding noise from the driveline, especially under acceleration, or at certain engine/shaft speeds—indicating the shaft is not properly supported.
- Clunking or knocking when engaging drive (or during the transition of power front-to-rear) due to excessive shaft movement or misalignment.
- Uneven or accelerated wear of the drive shaft flanges, U-joints or bearings because the mis-alignment has increased load on them.
- Leaking seals around the torque tube or front differential input because the shaft may be oscillating more than designed and stressing the seals.
- Axial or radial play when inspecting the shaft within the tube—if the bearing bushing is worn, you may see movement of the shaft where it should be tight.
- Because many owners did not realise the bearings could be replaced separately, some symptoms may have been treated as drive-shaft or flange issues instead of the bearing bushing itself.
Why Replacement Matters:
- Drivetrain longevity: Replacing a worn bearing bushing prevents further damage to the drive shaft, flanges, U-joints, seals and other components that suffer when alignment is compromised.
- Noise-Vibration-Harshness improvements: A new bearing support helps reduce driveline vibrations and improves refinement—especially important for long-distance driving or performance use where shaft/torque tube behaviour matters.
- Safety & reliability: Excessive shaft movement or failure of a support in the drivetrain can lead to catastrophic failure under load—especially in AWD models. Fixing the bearing bushing restores the designed support.
- Cost-effectiveness: Previously, the only fix for a worn bearing in some models was replacing the complete torque tube (which is expensive). These individual bushings provide a more economical and practical solution.
- Performance & alignment: Proper support of the drivetrain helps maintain alignment under load, ensures power delivery remains consistent, and avoids unnecessary flex in the system which can degrade handling or drivetrain feel.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96442101221B
96442101221
964421012X
964421012AX
The product you are viewing cross references to these numbers
Price: €133.40
In stock
Related products
Vehicle Group
- Porsche 996 C4 3.4L 1997-08/01
- 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 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 MKII Turbo 2010-13
Information
No need to buy the entire shaft assembly any longer. Simply replace your worn out piece with our inexpensive high quality flex disc.
Direct-fit upgraded replacement for the rear flex disc (guibo) on AWD Porsche 996 Carrera 4, 4S and Turbo models. OEM cross-reference PCG42102001. Rubber body with metal bushings to isolate driveline vibration while transmitting torque smoothly. Perfect when your original guibo shows age, cracking, or causes driveline vibration/clunks.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99642101000
The product you are viewing cross references to these numbers
Direct-fit upgraded replacement for the rear flex disc (guibo) on AWD Porsche 996 Carrera 4, 4S and Turbo models. OEM cross-reference PCG42102001. Rubber body with metal bushings to isolate driveline vibration while transmitting torque smoothly. Perfect when your original guibo shows age, cracking, or causes driveline vibration/clunks.
Compatible for:
- · Porsche 996 C4 3.4L 1997-08/01
- · 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 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 MKII Turbo 2010-13
Why you should replace the flex disc
- Worn rubber = vibration & driveline shock. The flex disc isolates rotational forces, as the rubber hardens, cracks or tears, it transmits vibration and can produce shuddering at idle/low speeds or a clunk during acceleration. Owners commonly report these symptoms before a failure.
- Prevents secondary damage. A failed flex disc can allow excessive play between the driveshaft and transmission flange, stressing flange bolts, the driveshaft and the transmission output — leading to far more expensive repairs.
- Affordable, quick fix vs replacing the whole shaft. Replacing this single part is significantly cheaper than replacing the full cardan/driveshaft assembly and restores NVH and drivability.
Common issues / failure signs
- Noticeable vibration through the car (often at certain speeds or under acceleration).
- Clunking or knocking from the center/rear when accelerating from low speed or shifting — typically caused by lost rubber compliance or torn bores.
- Visible cracking, chunks missing, or separation of the rubber around the bolt bores (inspect visually with the car safely supported). Micro-cracks can quickly grow into failure.
- Corroded or stretched mounting hardware — always inspect/replace bolts and washers when servicing the guibo.
Fits to No 8 on the diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99642101000
99642102001
99642102050
99742102000
99742102001
99642101000
PCG42102001
The product you are viewing cross references to these numbers
Price: €84.04
In stock
Vehicle Group
- 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 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Information
Torx screw BM10x35.
Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987.1 Boxster - 2005 to 2008
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A700815900
The product you are viewing cross references to these numbers
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
Porsche 991.1 - 2012 to 2016
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A700815900
90038509701
9A700815900
90038509709
The product you are viewing cross references to these numbers
Price: €6.32
Arriving soon