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- Accessories
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- Engine Electrical
- Engine Rebuild Parts
- Engine Tuning
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The roller supports smooth belt movement and helps prevent belt vibration or wandering, which is especially important on diesel engines where consistent timing belt control is critical. Replacing the roller at the correct interval helps protect the belt, tensioning components, and the engine’s timing system reliability.
Fits:
Porsche 957 Cayenne (9PA1) 3.0L V6 Diesel 2007 - 2010
Porsche 958 Cayenne (92A) 3.0L V6 Diesel 2011 - 2018
Diagram ref no 3, 9, 11
This roller provides a smooth, low-friction contact surface for the timing belt, helping the belt run true and remain properly tensioned across engine speed and load changes.
Function:
• Maintains consistent timing belt tension and tracking
• Reduces belt noise/vibration and helps prevent premature belt wear
• Supports accurate engine timing by keeping belt control stable
A worn roller bearing can become noisy, develop play, or seize - leading to poor belt control and accelerated belt wear. Replacing the roller during timing belt service helps maintain dependable belt tension and reduces the risk of timing drive issues.
When to replace:
• During timing belt replacement (recommended best practice)
• Any sign of bearing noise (whine/rumble) from the timing area
• Visible play, roughness, or contamination when spun by hand
• Oil/coolant contamination in the belt area that may damage bearings
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510524300
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Belt Tensioner Roller & Damper
The belt tensioner roller and damper is a crucial
part of the auxiliary drive system on the Porsche 957 Cayenne Diesel.
Working together, these components maintain correct belt tension while
absorbing vibration caused by engine load changes, ensuring smooth and reliable
operation of belt-driven accessories such as the alternator, power steering
pump and air conditioning compressor.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
Diagram ref no 1
Given the high torque output of Porsche diesel engines, effective belt tension and vibration control are essential for durability and quiet operation.
What Do the Belt Tensioner Roller & Damper Do?
The tensioner roller guides the auxiliary belt and maintains
consistent contact across pulleys, while the damper controls sudden movements
and oscillations within the belt system. Together, they:
- Maintain correct belt tension under all operating conditions
- Reduce belt vibration and noise
- Protect auxiliary components from shock loads
- Ensure smooth and efficient belt tracking
This coordinated function helps extend the lifespan of the belt and surrounding components.
Why Do Belt Tensioner Rollers & Dampers Fail?
Over time, these components are exposed to constant rotation, heat cycles and environmental contamination. Common causes of failure include:
Bearing wear in the tensioner roller Loss of damping efficiency due to internal wear Heat-related material fatigue Contamination from dust, water or oilTypical symptoms of failure include:
- Squealing or chirping noises
- Visible belt vibration
- Premature auxiliary belt wear
- Increased load on alternator and accessories
Why Replace the Belt Tensioner Roller & Damper?
Replacing worn components helps restore:
- Stable and quiet belt operation
- Correct belt alignment and tension
- Reduced stress on auxiliary drive components
- Improved overall engine refinement
Ignoring worn tensioner or damper components can lead to belt failure or damage to expensive accessories, increasing repair costs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510236110
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
Belt Tensioner Roller & Damper
The belt tensioner roller and damper is a crucial
part of the auxiliary drive system on the Porsche 957 Cayenne Diesel.
Working together, these components maintain correct belt tension while
absorbing vibration caused by engine load changes, ensuring smooth and reliable
operation of belt-driven accessories such as the alternator, power steering
pump and air conditioning compressor.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
Diagram ref no 1
Given the high torque output of Porsche diesel engines, effective belt tension and vibration control are essential for durability and quiet operation.
What Do the Belt Tensioner Roller & Damper Do?
The tensioner roller guides the auxiliary belt and maintains
consistent contact across pulleys, while the damper controls sudden movements
and oscillations within the belt system. Together, they:
- Maintain correct belt tension under all operating conditions
- Reduce belt vibration and noise
- Protect auxiliary components from shock loads
- Ensure smooth and efficient belt tracking
This coordinated function helps extend the lifespan of the belt and surrounding components.
Why Do Belt Tensioner Rollers & Dampers Fail?
Over time, these components are exposed to constant rotation, heat cycles and environmental contamination. Common causes of failure include:
Bearing wear in the tensioner roller Loss of damping efficiency due to internal wear Heat-related material fatigue Contamination from dust, water or oilTypical symptoms of failure include:
- Squealing or chirping noises
- Visible belt vibration
- Premature auxiliary belt wear
- Increased load on alternator and accessories
Why Replace the Belt Tensioner Roller & Damper?
Replacing worn components helps restore:
- Stable and quiet belt operation
- Correct belt alignment and tension
- Reduced stress on auxiliary drive components
- Improved overall engine refinement
Ignoring worn tensioner or damper components can lead to belt failure or damage to expensive accessories, increasing repair costs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510236110
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
Outer Diameter: 65mm
Width: 26mm
Inner Diameter: 17mm
Fits:
Porsche 957 Cayenne 3.0L DIESEL 2009-12
Porsche 958 Cayenne 3.0L DIESEL
Porsche 970 Panamera 3.0L DIESEL 2012-16
Porsche 95B Macan 3.0L TDI 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510211921
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 957 Cayenne 3.0L DIESEL 2009-12
Porsche 958 Cayenne 3.0L DIESEL
Porsche 970 Panamera 3.0L DIESEL 2012-16
Porsche 95B Macan 3.0L TDI 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510211921
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
FitS:
Porsche 957 Cayenne Diesel 3.0L 2009-10
Porsche 958 Cayenne Diesel 3.0L 2011
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510211801
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
FitS:
Porsche 957 Cayenne Diesel 3.0L 2009-10
Porsche 958 Cayenne Diesel 3.0L 2011
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510211801
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 92A Cayenne (958) 3.0L V6 Diesel 2011>>2018
Porsche 9PA1 Cayenne (957) 3.0L V6 Diesel 2007>>2010
Diagram Ref No 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510524300
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
The roller supports smooth belt movement and helps prevent belt vibration or wandering, which is especially important on diesel engines where consistent timing belt control is critical. Replacing the roller at the correct interval helps protect the belt, tensioning components, and the engine’s timing system reliability.
Fits:
Porsche 957 Cayenne (9PA1) 3.0L V6 Diesel 2007 - 2010
Porsche 958 Cayenne (92A) 3.0L V6 Diesel 2011 - 2018
Diagram ref no 9
This roller provides a smooth, low-friction contact surface for the timing belt, helping the belt run true and remain properly tensioned across engine speed and load changes.
Function:
• Maintains consistent timing belt tension and tracking
• Reduces belt noise/vibration and helps prevent premature belt wear
• Supports accurate engine timing by keeping belt control stable
A worn roller bearing can become noisy, develop play, or seize - leading to poor belt control and accelerated belt wear. Replacing the roller during timing belt service helps maintain dependable belt tension and reduces the risk of timing drive issues.
When to replace:
• During timing belt replacement (recommended best practice)
• Any sign of bearing noise (whine/rumble) from the timing area
• Visible play, roughness, or contamination when spun by hand
• Oil/coolant contamination in the belt area that may damage bearings
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510524300
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 92A Cayenne (958) 3.0L V6 Diesel 2011>>2018
Porsche 9PA1 Cayenne (957) 3.0L V6 Diesel 2007>>2010
Diagram Ref No 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510221900
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 92A Cayenne (958) 3.0L V6 Diesel 2011>>2018
Porsche 9PA1 Cayenne (957) 3.0L V6 Diesel 2007>>2010
Diagram Ref No 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510221900
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche Cayenne 957 3.0L DIESEL 2009-10 (M05.9D)
Porsche Cayenne 958 3.0L DIESEL 2011 (M05.9E)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510524401
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche Cayenne 957 3.0L DIESEL 2009-10 (M05.9D)
Porsche Cayenne 958 3.0L DIESEL 2011 (M05.9E)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510524401
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
Shop Securely
12 Month Warranty
Worldwide Delivery
Engine Rebuild Belts, Tensioners & Rollers – Precision Timing for Reliable Porsche Performance
Engine rebuild belts, tensioners, and rollers are essential components in maintaining your Porsche’s precise engine timing and smooth operation. These parts work together to synchronise the camshaft and crankshaft, ensuring valves open and close at exactly the right time for optimal combustion. Over time, these components can wear or deteriorate, especially under high performance or extended use, making replacement vital during an engine rebuild or major service.
At Design911, we supply a full range of genuine and high-quality belts, tensioners, and rollers for various Porsche models including, 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each component is designed for strength, accuracy, and long-lasting reliability — ensuring your rebuilt Porsche engine performs flawlessly mile after mile.
What Do Engine Belts, Tensioners & Rollers Do?
These components form the heart of the engine’s timing and
auxiliary systems. They:
- Drive
key engine components, including the camshaft, alternator, and water
pump.
- Maintain
accurate timing for optimal combustion and efficiency.
- Reduce
friction and noise through smooth roller and tensioner operation.
- Ensure consistent belt tension to prevent slippage or premature wear.
Together, they guarantee your Porsche’s engine runs smoothly, efficiently, and reliably — whether cruising or driving at peak performance.
Why Do Belts, Tensioners & Rollers Fail?
Exposure to high temperatures, vibration, and constant
motion causes natural wear over time. Common causes of failure include:
- Aging
rubber belts becoming brittle or cracked.
- Worn
bearings in rollers or tensioners leading to noise or vibration.
- Loss
of tension causing belt slippage or timing misalignment.
- Contamination
from oil or coolant degrading materials.
- Extended maintenance intervals leading to unexpected failure.
Symptoms of failing components include squealing noises, poor engine performance, rough idle, or even timing belt failure, which can cause severe engine damage if ignored.
Why Replace Belts, Tensioners & Rollers During an Engine Rebuild?
Replacing these components during an engine rebuild ensures long-term reliability and eliminates the risk of future timing-related failures. A fresh set of belts, rollers, and tensioners restores precision, efficiency, and performance — protecting your investment.
Benefits of replacement include:
- Restored precise timing and smooth operation.
- Reduced risk of catastrophic engine failure.
- Enhanced reliability and longevity of the rebuild.
- Quieter, more efficient engine performance.
All components available from Design911 are made using premium-grade materials, precision bearings, and advanced heat-resistant compounds, ensuring maximum durability and performance in high-stress Porsche engines.
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Oil System Parts
-
Fuel System Parts
-
Gaskets & Sets
-
Chains & Tensioners
-
Engine Bearings / Shells
-
Engine Valves / Guides / Springs
-
Rocker Arms & Tappets
-
Engine Bolts / Studs
-
Engine Mounts
-
Engine Cylinders / Liners / Pistons
-
Connecting Rod
-
Cylinder Head / Camshaft Carrier
-
Camshaft covers / Gaskets
-
Crankcase Parts
-
Crankshaft & Parts
-
Turbo Chargers / Intercoolers & Parts
-
Air Intake & Injection
-
EGR - Exhaust gas recirculation
-
Specialist Tools
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