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Belt Tensioner Roller. Porsche 958 Cayenne / 970 Panamera V6 - 95810236121
95810236121/1
Vehicle Group
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Information
Belt Tensioner Roller.
Fits:
Porsche 958 Cayenne V6 3.0L HYBRID 2011-18 (Engine D19)
Porsche 958 Cayenne V6 3.0L PETROL 2011-18 (Engine D11)
Porsche 970 Panamera V6 3.0L HYBRID 2012-16 (Engines CGEA / CGE / CGFA)
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
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Related, superseded, cross reference or alternative numbers for comparison.
95810236121
The product you are viewing cross references to these numbers
Fits:
Porsche 958 Cayenne V6 3.0L HYBRID 2011-18 (Engine D19)
Porsche 958 Cayenne V6 3.0L PETROL 2011-18 (Engine D11)
Porsche 970 Panamera V6 3.0L HYBRID 2012-16 (Engines CGEA / CGE / CGFA)
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
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95810236121
95810236120
95810236130
95810236121
95810236131
The product you are viewing cross references to these numbers
Price: £75.00
In stock
Related products
Vehicle Group
- 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 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
Information
Drive belt deflection roller.
This tensioner (or idler) pulley is designed for Porsche 911 (996/997) and Boxster/Cayman vehicles. It supports the serpentine/drive belt system, ensuring smooth, stable rotation and correct belt alignment. It helps maintain proper tension, reduces noise, and protects engine accessories from excessive stress. Built to original Porsche standards and engineered for precise fitment and durability.
Fits:
Porsche 996 Carrera 3.4L / 3.6L 1997-05 6-speed Manual transmission
Porsche 997.1 Carrera 3.6L / 3.8L 2005-08 Manual transmission
Porsche 987.1 Boxster 2.7L / 3.2L / 3.4L 2005-08 Manual transmission
Porsche 987C.1 Cayman 987C 2.7L / 3.4L 2005-08 Manual transmission
Diagram ref no 15
Ideal replacement when the original pulley shows signs of wear, bearing noise, belt misalignment or visible belt damage - restoring accessory-drive reliability and avoiding secondary damage from belt failure.
The idler pulley plays a critical role in your accessory belt drive, maintaining the correct path and tension of the belt that powers many engine-mounted systems. When the pulley bearing deteriorates, or the surface becomes worn or grooved, the belt can slip, make noise, or even break—potentially causing loss of alternator, AC compressor or power-steering function. By replacing this component proactively with a quality OE-Match unit, you safeguard those systems and maintain proper engine accessory operation.
When and why to replace:
• Audible bearing noise or rumble coming from the pulley/belt area.
• Visible belt wear, glazing, fraying or mis-tracking across the pulley surface.
• Occasional belt slippage or accessory drive belt squeal on start-up or load.
• Accessory drive servicing (belt replacement, tensioner replacement) where it makes sense to fit the pulley at the same time.
• Higher-mileage vehicle where original pulley may have been in service for many years and bears may be near end-of-life.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710211800
The product you are viewing cross references to these numbers
This tensioner (or idler) pulley is designed for Porsche 911 (996/997) and Boxster/Cayman vehicles. It supports the serpentine/drive belt system, ensuring smooth, stable rotation and correct belt alignment. It helps maintain proper tension, reduces noise, and protects engine accessories from excessive stress. Built to original Porsche standards and engineered for precise fitment and durability.
Fits:
Porsche 996 Carrera 3.4L / 3.6L 1997-05 6-speed Manual transmission
Porsche 997.1 Carrera 3.6L / 3.8L 2005-08 Manual transmission
Porsche 987.1 Boxster 2.7L / 3.2L / 3.4L 2005-08 Manual transmission
Porsche 987C.1 Cayman 987C 2.7L / 3.4L 2005-08 Manual transmission
Diagram ref no 15
Ideal replacement when the original pulley shows signs of wear, bearing noise, belt misalignment or visible belt damage - restoring accessory-drive reliability and avoiding secondary damage from belt failure.
The idler pulley plays a critical role in your accessory belt drive, maintaining the correct path and tension of the belt that powers many engine-mounted systems. When the pulley bearing deteriorates, or the surface becomes worn or grooved, the belt can slip, make noise, or even break—potentially causing loss of alternator, AC compressor or power-steering function. By replacing this component proactively with a quality OE-Match unit, you safeguard those systems and maintain proper engine accessory operation.
When and why to replace:
• Audible bearing noise or rumble coming from the pulley/belt area.
• Visible belt wear, glazing, fraying or mis-tracking across the pulley surface.
• Occasional belt slippage or accessory drive belt squeal on start-up or load.
• Accessory drive servicing (belt replacement, tensioner replacement) where it makes sense to fit the pulley at the same time.
• Higher-mileage vehicle where original pulley may have been in service for many years and bears may be near end-of-life.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710211800
99710211800
4149031110
The product you are viewing cross references to these numbers
Price: £49.95
Arriving soon
Vehicle Group
- 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 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
Information
The Drive Belt Tensioning Roller, identified by part number 997.102.117.00, is a critical component in the accessory drive system of several Porsche models, including the 996, 987 (Boxster and Cayman), and 997 (Carrera) equipped with manual transmissions. This roller maintains proper tension on the serpentine belt, ensuring the efficient operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.
Fits:
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08 Manual transmission
- Porsche 996 C2 3.4L 1997-08/01 6-speed Manual transmission
- Porsche 996 C4 3.4L 1997-08/01 6-speed Manual transmission
- Porsche 996 C2 3.6L 09/01-2005 6-speed Manual transmission
- Porsche 996 C4 3.6L 09/01-2005 6-speed Manual transmission
- Porsche 996 C4S 3.6L 09/01-2005 6-speed Manual transmission
- Porsche 997 MK1 Carrera 2 3.6L 2005-08 6-speed Manual transmission
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08 6-speed Manual transmission
- Porsche 997 MK1 Carrera 4 3.6L 2005-08 6-speed Manual transmission
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08 6-speed Manual transmission
- Porsche Cayman 2.7L 987C 2006-08 Manual transmission
- Porsche Cayman S 3.4L 987C 2005-08 Manual transmission
Common Tensioning Roller Issues and Why Replacement is Necessary. Over time, a tensioning roller can wear down due to constant exposure to engine heat and mechanical stress. Typical problems include:
- Bearing Wear: The internal bearing may deteriorate, causing noise and reducing performance.
- Seized Pulley: Rust or corrosion can lock the pulley, disrupting proper belt tension.
- Cracked or Damaged Pulley: Physical damage can misalign the belt and hinder the roller’s function.
- Replacing a worn tensioning roller is crucial to maintain proper belt operation, prevent squealing noises, and avoid potential damage to other engine components.
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
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99710211700
99710211700
4149031008
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Price: £50.00
In stock
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Drive Belt. Porsche 997.2 / 987.2 Boxster / 987C.2 Cayman
Fits:
Porsche 997.2 2009-12
Porsche 997.2 TURBO 3.8L MA1.70 engine
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
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9A110221601
The product you are viewing cross references to these numbers
Fits:
Porsche 997.2 2009-12
Porsche 997.2 TURBO 3.8L MA1.70 engine
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
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9A110221601
9A110221601
9A110221600
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Price: £19.00
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