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- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- 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 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Hydraulic drive belt tensioner (poly V-belt) for Porsche Cayenne and Panamera models. Maintains correct accessory drive belt tension (alternator, power steering pump, A/C compressor, etc.), compensating for belt wear and stretch, reducing noise, and ensuring proper belt alignment. Manufactured to original Porsche factory specifications.
Fits:
Porsche 958 Cayenne S / GTS / Turbo 4.8L 2011 - 2016
Porsche 970 Panamera 3.6L 2011 - 2016
Porsche 970 Panamera S / GTS / Turbo 4.8L 2010 - 2016
Diagram ref no 3
• Position on Vehicle: Mounted in the accessory drive belt system on the front of the engine – the tensioner damps vibrations and maintains belt tension/position in the serpentine belt loop.
• Applications: Ideal for replacement when the original tensioner is showing signs of wear, belt noise appears, or during belt replacement to maintain proper belt tension and accessory drive reliability.
The drive belt tensioner plays a crucial role in ensuring proper tension, alignment, and vibration-free operation of the accessory belt. A worn or damaged tensioner can lead to belt squeal, misalignment, increased accessory wear, and even belt failure - potentially causing alternator, power steering, or air conditioning system failure. Replacing it with a new one ensures proper belt system operation and helps protect critical engine accessories.
When and why to replace:
• A noticeable squealing or chirping belt noise on engine start or under load.
• Visible wear, looseness or vibration in the belt tensioner or pulley.
• During replacement of the accessory drive belt as part of scheduled service.
• If the vehicle has high mileage and original tensioner shows aged performance.
• To restore quiet, consistent accessory drive performance and prevent unexpected belt or accessory failure.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810226121
The product you are viewing cross references to these numbers
- 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
Crankshaft Pulley with Dampener – Porsche 958 Cayenne / 970
Panamera Hybrid
Restore smooth and reliable engine operation with this OE
Match Crankshaft Pulley with Dampener. The crankshaft pulley is mounted to the front of the
crankshaft and drives the auxiliary belt system. Its integrated vibration
dampener also helps absorb torsional vibrations generated by the engine,
reducing stress on the crankshaft and belt-driven components.
Fits:
- 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
Diagram ref no 4
What Does the Crankshaft Pulley with Dampener Do?
As the engine runs, the crankshaft produces small twisting vibrations with each combustion cycle. The dampener helps absorb these vibrations before they are transferred through the crankshaft and auxiliary drive system.
The pulley also transfers crankshaft rotation to the auxiliary drive belt.
A correctly functioning crankshaft pulley helps:
- Drive the auxiliary belt system
- Reduce crankshaft torsional vibration
- Maintain smooth belt operation
- Reduce vibration transmitted to engine components
- Protect associated pulleys and belt-driven equipment
- Support smooth engine operation
Why Do Crankshaft Pulleys and Dampeners Fail?
The dampener is exposed to constant vibration, heat and engine speed changes. Over time, the rubber damping material between the pulley sections can deteriorate, crack or separate.
Common causes include:
- Age-related rubber deterioration
- Repeated heating and cooling cycles
- Engine vibration
- Contamination from engine oil or other fluids
- Cracking or separation of the damping material
- Pulley distortion or damage
- High mileage and general wear
Once the damping material deteriorates, the inner and outer sections of the pulley can begin moving independently.
When Should the Crankshaft Pulley Be Replaced?
Replacement should be considered if:
- The pulley visibly wobbles while the engine is running
- Cracks appear in the rubber dampening section
- The rubber begins separating from the pulley
- Unusual vibration develops from the front of the engine
- The auxiliary belt runs unevenly
- Squeaking, knocking or rattling noises are present
- The pulley is physically damaged or distorted
- Inspection confirms deterioration of the dampener
A failing crankshaft pulley should not be ignored, as complete separation can affect the auxiliary drive system and potentially damage surrounding components.
Important Auxiliary Drive Checks
When replacing the crankshaft pulley, inspect the auxiliary drive belt, tensioner, idler pulleys and surrounding components for wear or damage.
Any oil or coolant leaks contaminating the pulley should also be repaired, as fluids can accelerate deterioration of the rubber damping material.
Porsche Cayenne 958 & Panamera 970 Hybrid Crankshaft Pulleys
The crankshaft pulley and vibration dampener form an important part of the engine's auxiliary drive and vibration-control system.
As Porsche Cayenne 958 and Panamera 970 Hybrid models age, the rubber damping element can deteriorate through heat, vibration and general wear. Typical signs include pulley wobble, abnormal vibration, belt movement and noise from the auxiliary drive area.
During diagnosis, the pulley should be inspected alongside the auxiliary belt, tensioner and idler pulleys to identify any additional worn components.
Audi numbers:- 06E105251F
- 06E105251E
Also fits:
Audi A7 C7 3.0T
Audi B8 S4 Quattro 3.0T
Audi B8 S5 Quattro 3.0T Cabriolet
Audi B8 S5 Quattro 3.0T Coupe
Audi B8 SQ5 GTI 3.0T
Audi C6 A6 All V6 3.0T
Audi C7 A6 FWD V6 3.0T
Audi C7 A6 Quattro V6 3.0T
Audi Q5 GTI 3.0T
Audi Q7 GTI 3.0T
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810224111
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- 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 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- 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
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Drive Belt Deflection Roller
OE Match drive belt deflection roller for selected Porsche
957 and 958 Cayenne and 970 Panamera models.
Fits:
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- 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 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- 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
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram ref no 6
The deflection roller forms part of the engine's auxiliary drive belt system, guiding the belt along its correct path and helping maintain stable belt operation as it drives associated engine accessories.
What Does the Drive Belt Deflection Roller Do?
The deflection roller, sometimes referred to as an idler pulley, guides the auxiliary drive belt around the engine's belt-driven components.
Its internal bearing allows the roller to rotate freely while keeping the belt correctly routed. Smooth roller operation is important for reducing unwanted belt movement, vibration and noise.
Why Does It Fail?
The roller rotates whenever the engine is running, meaning its internal bearing is subject to continual speed, heat and mechanical loading.
Common causes of deterioration include:
Bearing wear Loss of bearing lubrication Contamination from dirt or fluids Excessive belt tension Misalignment Damaged pulley running surface High mileage and general age-related wearAs the bearing deteriorates, the roller may become noisy, develop excessive play or stop rotating smoothly.
When Should It Be Replaced?
Consider replacement if there is:
Squeaking, chirping or grinding from the belt area Roughness when the pulley is rotated by hand Excessive bearing play Visible pulley damage Irregular belt movement Repeated auxiliary belt problemsThe deflection roller should also be inspected whenever the drive belt or belt tensioner is replaced.
Checks During Replacement
When replacing the deflection roller, also inspect:
Auxiliary drive belt Drive belt tensioner Other idler and deflection rollers Pulley alignment Belt running surfaces Accessory pulleys Signs of oil or coolant contaminationReplacing a worn roller before it seizes can help prevent damage to the auxiliary drive belt and associated components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95814527601
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
Relay roller for ribbed v-belt
Ribbed V-belt idler pulley by OE Match for selected Porsche 957 and 958 Cayenne 3.0L Diesel models. This component is used within the engine auxiliary belt drive.
Fits:
Porsche 957 Cayenne Diesel 3.0L 2009 - 2010
Porsche 958 Cayenne Diesel 3.0L 2011
Diagram ref no 11
What This Product Does
The relay roller, also known as an idler pulley or guide pulley, provides a rotating contact point for the ribbed V-belt. It helps route the belt correctly around the accessory-drive components while supporting stable belt alignment.
Functions
- Guides the ribbed V-belt along its intended path
- Provides a smooth rotating surface for the belt
- Supports correct belt alignment within the accessory drive
- Helps reduce unwanted belt movement and tracking problems
Technical Details
- Part number: 95510211801
- Component type: idler pulley or relay roller for the Poly-V-belt drive
- Diagram ref no 11
Symptoms of Fault
- Squealing or chirping that changes with engine speed
- Rumbling or whining from the pulley bearing
- Visible pulley wobble while the engine is running
- Belt dust around the pulleys or nearby components
- Uneven belt tracking, glazing or edge wear
- Roughness or play when the pulley is checked with the engine switched off
Why Replacement Matters
A worn pulley bearing can create noise, unwanted movement and irregular belt tracking. Continued use may accelerate wear of the ribbed belt or other parts in the accessory drive. Inspect the belt, tensioner and adjacent rollers at the same time so that worn supporting components can be identified before reassembly.
FAQs
- Is this the belt tensioner?
No. It is an idler or guide pulley within the ribbed V-belt system. The tensioner is a separate component. - Should the belt be inspected during replacement?
Yes. Check for cracking, glazing, contamination and uneven edge wear, and inspect the other rollers and tensioner for noise or play. - How should compatibility be confirmed?
Cross-check part number 95510211801 against the vehicle model, production year, engine code and the relevant parts diagram.
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 S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
OE Match drive belt tensioning roller lever for Porsche Cayenne and Panamera models. This replacement belt tensioner lever helps support correct auxiliary drive belt tension, belt tracking, and reliable operation of engine-driven accessories.
Fits:
Porsche 957 Cayenne S / GTS / Turbo 2007 - 2010
Porsche 958 Cayenne S / GTS / Turbo 2011 - 2018
Porsche 970.1 Panamera S / GTS / Turbo 2010 - 2013
Diagram ref no 1
The drive belt tensioning roller lever works with the tensioner assembly to keep the auxiliary belt correctly tensioned as it drives engine accessories such as the alternator, water pump, power steering pump, and air conditioning compressor, depending on model and engine layout.
Functions
• Replaces the drive belt tensioning roller lever
• Supports correct auxiliary drive belt tension
• Helps maintain belt alignment and tracking
• Assists smooth operation of engine-driven accessories
• Helps reduce belt slip, vibration, squeal, and uneven belt wear
• Suitable for drive belt, pulley, or tensioner service
• OE Match replacement for Porsche Cayenne and Panamera belt drive repair.
Why Replace This Part?
Drive belt tensioning components are exposed to heat, vibration, belt load, bearing wear, and constant engine movement. A worn or damaged tensioning roller lever can cause poor belt tension, belt noise, misalignment, accessory drive faults, or premature belt wear. Replacing the lever helps restore stable belt operation and supports reliable accessory drive performance.
When to Replace This Part
• The auxiliary drive belt is being replaced
• Belt squeal, vibration, or poor tracking is present
• The tensioner lever is worn, loose, seized, cracked, or damaged
• Belt tension is incorrect or unstable
• Pulley or tensioner service is being carried out
• Accessory drive faults are being investigated
• Preventative replacement is required during major engine service.
Where it fits on the car
This lever fits within the engine auxiliary drive belt tensioning system on Porsche Cayenne and Panamera models. Exact location can vary depending on engine type and belt layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810240375
The product you are viewing cross references to these numbers