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Torque Tube Bearing Bushing. Porsche 964 C4 /993 C4 ❭ 96442101221B
- 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
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
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Fits:
Porsche 970 Panamera 3.6L 2011-13 PDK Transmission
Porsche 970 Panamera 3.6L 2014-16 Rear-wheel drive (I338)
Porsche 970 Panamera S 4.8L 2010-13 PDK Transmission
Porsche 970 Panamera S 3.0L 2014-16 Rear-wheel drive (I338) and Short wheelbase (I0E1)
Porsche 970 Panamera 3.0L HYBRID 2012-18
Porsche 970 Panamera 3.0L DIESEL 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97042101104
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
The OE Match cardan shaft (propshaft) is a drivetrain component designed for Porsche Panamera (970) models. It connects the gearbox (transmission) to the rear differential, transmitting engine power to the driven wheels.
Fits:
Porsche 970.1 Panamera 3.6L 2011 - 2013 PDK Transmission
Porsche 970.2 Panamera 3.6L 2014 - 2016 Rear-wheel drive (I338)
Porsche 970.1 Panamera S 4.8L 2010 - 2013 PDK Transmission
Porsche 970.2 Panamera S 3.0L 2014 - 2016 Rear-wheel drive (I338) and Short wheelbase (I0E1)
Porsche 970 Panamera 3.0L HYBRID 2012 - 2018
Porsche 970 Panamera 3.0L DIESEL 2012 - 2016
Diagram ref no 1
The cardan shaft transmits torque from the gearbox to the rear differential, allowing engine power to reach the wheels. It ensures smooth rotation and consistent power delivery under acceleration, cruising and load conditions. A properly functioning driveshaft is essential for maintaining drivetrain efficiency, smoothness and vehicle performance.
Function
• Power Transmission: Transfers torque from gearbox to rear differential
• Rotational Stability: Maintains smooth rotation at high speeds
• Drivetrain Integration: Connects transmission and rear axle components
• Vibration Control: Balanced design minimises drivetrain vibration
Driveshafts operate under constant rotational load and are subject to wear in joints, bearings and balancing components. Over time, this can lead to vibration, noise or drivetrain imbalance. Replacing a worn cardan shaft restores smooth power transfer, improves driving comfort and protects other drivetrain components from excessive stress.
When to Replace. Consider replacing the cardan shaft if you notice:
• Vibration under acceleration or at speed
• Clunking or knocking from the drivetrain
• Excessive play in drivetrain components
• During drivetrain overhaul or repair
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97042101104
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16

Fits:
Porsche 970 Panamera S / GTS 4.8L 2009-16 (M48.40)
Porsche 970 Panamera 3.6L 2010-13 (M46.40)
Porsche 970 Panamera 3.6L 2013-16 (339) All-wheel drive
Porsche 970 Panamera S 3.0L 2013-16 (339) All-wheel drive / (0E1) Shorter wheelbase
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97042101133
The product you are viewing cross references to these numbers
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