Belts / Tensioners / Rollers

Drive belt idler pulley deflection roller.
This pulley supports and guides the serpentine/accessory belt to maintain proper routing and tension, ensuring it runs smoothly over various engine accessories without slipping or misalignment.

Fits:
Porsche 955 Cayenne 3.2L 2004>> (M02.2Y)

Porsche 957 Cayenne 3.6L 2007 - 2010 (Engine code: 5501)
M >> 638 08942
M 63A 03027 >>
M 63A 05020 >>

Porsche 958 Cayenne 3.6L 2010 - 18 (Engine code: 5502, CEYA)
M >> B 06770
M >> B 06811

Diagram ref no 7

This idler pulley provides a smooth, correctly aligned surface for the accessory drive belt (serpentine belt) to run over, ensuring proper routing and tension as it drives vital systems such as the alternator, air conditioning compressor, power steering pump, and water pump (as fitted). It keeps belt motion steady and prevents slipping, vibration, or premature wear in the belt system.

A worn, noisy, or seized idler pulley can cause the accessory drive belt to:
• Slip or squeal
• Wear prematurely
• Mis-track off pulley grooves
• Lead to loss of accessory function (e.g., alternator charging, power steering assist, air conditioning)

Replacing a failing pulley restores smooth belt travel, helps reduce noise under the hood, and improves the belt’s service life.

Replace this idler pulley if you notice:
•  Squealing or chirping from the front accessory belt area
•  Belt wear or fraying
•  Vibration or noise from the pulley bearing
•  During belt system maintenance or tensioner replacement

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95510227600

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Drive belt idler pulley deflection roller.
with bolt and protective cap



Fits:
Porsche 958 Cayenne 3.6L 2011-18
Porsche 95B.1 Macan 3.0L / 3.6L  2014-18
Porsche 970.2 Panamera 3.0L 2013-16

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Diagram ref no 6

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95814527901

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Drive belt idler pulley with fastening screw.



Fits:
Porsche 957 Cayenne 3.6L 2007-10
M 638 08943 >> 63A 03026

Porsche 958 Cayenne 3.6L 2010-18
M B 06771 >>
M B 06812 >>

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Diagram ref no 7

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95510211900

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Drive belt idler pulley. Package Includes Bolt And Dust Cap
Part Fitted With NTN/NSK Bearing

Fits:
Porsche 957 Cayenne 3.6L 2007-10
M 638 08943 >> 63A 03026

Porsche 958 Cayenne 3.6L 2010-18
M B 06771 >>
M B 06812 >>

Diagram ref no 7

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95510211900

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Drive belt tensioner (Hydraulic Portion).
The Genuine Porsche Drive Belt Tensioner (Part No. 94810226121) is used in Porsche Cayenne (92A) and Panamera (970) models. This tensioner maintains proper tension and alignment of the serpentine (ribbed) belt, ensuring the alternator, air-conditioning compressor, power steering pump and other accessories function smoothly.

Fits:
Porsche 958 Cayenne S / GTS / Turbo 4.8L 2011 - 2018
Porsche 970 Panamera 3.6L 2011 - 2016
Porsche 970 Panamera S / GTS / Turbo 4.8L 2010 - 2016

Diagram ref no 3

The belt tensioner plays a critical role in the accessory-drive system: a failing or loose tensioner can allow belt slippage, mis-routing, increased accessory wear or belt breakage. This has implications for alternator output, A/C performance, power steering function and overall engine reliability. By using the genuine Porsche tensioner, you protect the accessory system, maintain factory behaviour and avoid secondary damage.

When to replace:
 • Audible belt squeal, chirp or rumble when the engine is started or under load.
 • Belt shows signs of wear, mis-tracking or vibration.
 • Tensioner or pulley appears worn, loose or has excessive play.
 • During serpentine belt replacement or major engine service where access is available.
 • High-mileage vehicles where the original tensioner may be nearing end of service life.

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94810226121

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Drive belt tensioner (Hydraulic Portion).
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.

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94810226121

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Drive Belt Tensioner (Hydraulic Portion)
OE Match drive belt tensioner for Porsche Cayenne 3.6L, 970 Panamera 3.6L, and Macan models. This replacement tensioner helps maintain correct auxiliary drive belt tension, supporting reliable operation of engine-driven accessories.

Fits:
Porsche 958 Cayenne V6 3.6L 2010 - 2017
Porsche 970.2 Panamera V6 3.6L 2014 - 2016
Porsche 970.2 Panamera 4 V6 3.6L 2014 - 2016
Porsche 95B.1 Macan S Petrol 3.0L V6 2014 - 2018
Porsche 95B.1 Macan S Diesel 3.0L V6  2014 - 2018
Porsche 95B.1 Macan GTS Petrol 3.0L V6  2014 - 2018
Porsche 95B.1 Macan Turbo 3.6L V6  2014 - 2018

Diagram ref no 3

The drive belt tensioner keeps the auxiliary belt under the correct tension as it drives engine accessories such as the alternator, water pump, power steering pump, and air conditioning compressor, depending on model and engine layout. Correct belt tension helps prevent belt slip, noise, vibration, and premature belt wear.

Functions
•  Replaces the drive belt tensioner
•  Maintains correct auxiliary belt tension
•  Helps keep the belt aligned and stable
•  Supports smooth operation of engine-driven accessories
•  Helps reduce belt squeal, vibration, and uneven belt wear
•  Suitable for drive belt, pulley, or accessory drive service
•  OE Match replacement for Porsche belt drive repair.

Why Replace This Part?
Drive belt tensioners are exposed to heat, vibration, spring load, bearing wear, and constant belt movement. A worn or failing tensioner may cause belt squeal, poor belt tracking, accessory drive faults, rattling, weak tension, or premature belt failure. Replacing the tensioner 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 is noisy, weak, loose, seized, or damaged
•   Belt tension is incorrect or unstable
•   Pulley or tensioner bearing wear is detected
•   Accessory drive faults are being investigated
•   Preventative replacement is required during major engine service

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94810226175

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Drive Belt Tensioner (Hydraulic Portion)
This original Porsche belt tensioner / tensioner damper forms part of the engine accessory drive system, helping maintain correct belt tension and smooth operation of the Poly-V / serpentine drive belt.
  
Fits:
Porsche 958 Cayenne V6 3.6L 2010 - 2017
Porsche 970.2 Panamera V6 3.6L 2014 - 2016
Porsche 970.2 Panamera 4 V6 3.6L 2014 - 2016
Porsche 95B.1 Macan S Petrol 3.0L V6 2014 - 2018
Porsche 95B.1 Macan S Diesel 3.0L V6 2014 - 2018
Porsche 95B.1 Macan GTS Petrol 3.0L V6 2014 - 2018
Porsche 95B.1 Macan Turbo 3.6L V6 2014 - 2018

Diagram ref no 3

This part is used in the engine belt drive system on selected Porsche Cayenne, Panamera and Macan models.

What This Part Does / Functions
•  Maintains correct tension on the drive belt
•  Helps keep the Poly-V / serpentine belt aligned on the pulleys
•  Reduces belt vibration, flutter and slip
•  Supports smooth operation of belt-driven auxiliary components
•  Helps protect the alternator, air-conditioning compressor and other driven accessories
•  Replaces a worn, weak, noisy or leaking belt tensioner damper
•  Provides correct OE Porsche fitment and damping characteristics
•  Supports reliable accessory drive system operation.

Why Replace This Part?
The drive belt tensioner is a service-related wear component. Over time, the tensioner spring, damper or bearing system can weaken, leak, seize or lose its ability to control belt movement. A worn tensioner can allow the drive belt to slip, vibrate, squeal or run out of alignment. Replacing it with a Genuine Porsche OE drive belt tensioner helps restore correct belt tension, reduce noise and protect the accessory drive system from premature wear.

Common Symptoms of a Faulty Drive Belt Tensioner
•   Belt squeal or chirping noise
•   Rattle or rumble from the belt drive area
•   Visible belt vibration or flutter
•   Drive belt misalignment or uneven belt wear
•   Weak or inconsistent belt tension
•   Accessory drive warning lights or charging issues
•   Tensioner damper oil leakage or visible wear
•   Belt coming off or tracking incorrectly.

When to Replace This Part
•   When replacing the drive belt if the tensioner is worn or noisy
•   If the belt tensioner damper is leaking or weak
•   If belt squeal, vibration or mis-tracking is present
•   During accessory belt system overhaul
•   When replacing idler pulleys, guide pulleys or related belt-drive components
•   If the tensioner has excessive movement or play
•   If the tensioner no longer maintains correct belt tension
•   When restoring the engine with correct Genuine Porsche OE parts.

Where It Fits on the Car
This tensioner fits on the engine accessory drive / belt drive system. It works with the drive belt, pulleys and related belt-drive components to maintain the correct operating tension.

Correct installation, belt routing and torque specifications should always be followed according to Porsche workshop procedures.

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94810226175

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Drive belt tensioning damper.



Fits:
Porsche 955 Cayenne 3.2ltr - 02/04 to 04/07
Porsche 957 Cayenne 3.6ltr - 02/07 to 12/10
Porsche Cayenne 958 3.6ltr (E2) - 05/10 to 02/15

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Diagram ref no 1

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95510229900

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Drive belt tensioning damper.



Fits:
Porsche 955 Cayenne 3.2L 02/2004 - 04/2007
Porsche 957 Cayenne 3.6L 02/2007 - 12/2010
Porsche 958 Cayenne 3.6L 05/2010 - 02/2015

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Diagram ref no 1

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95510229900

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Drive belt tensioning roller lever
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.

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94810240375

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Drive belt tensioning roller lever.



Fits:
Porsche 957 Cayenne S / GTS / Turbo 2007-10
Porsche 958 Cayenne S / GTS / Turbo 2011>>
Porsche 970 Panamera S / GTS / Turbo 2010-13

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Diagram ref no 1

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94810240375

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Drive Belt. 
The OE Match Drive Belt is a high-quality replacement engine accessory belt designed to transfer rotational power from the engine crankshaft to essential auxiliary components. Manufactured to OE specifications for fit, durability and performance, this drive belt ensures the reliable operation of critical vehicle systems including the alternator, water pump, power steering pump and air conditioning compressor, depending on vehicle configuration.  

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• Porsche 957 Cayenne 3.6L 2007-10
• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17 

Diagram Ref No 8

Constructed from advanced reinforced rubber compounds with high-strength internal tensile cords, the drive belt is engineered to withstand continuous flexing, heat, vibration and heavy operating loads. Precision-manufactured rib profiles ensure optimal grip, reduced slippage and efficient power transmission throughout the engine accessory drive system.

What This Product Does:

• Transfers power from the engine crankshaft to auxiliary components.
• Drives systems such as the alternator, water pump and air conditioning compressor.
• Maintains efficient operation of engine accessories.
• Ensures proper charging system performance.
• Supports coolant circulation where applicable.
• Helps maintain air conditioning functionality.
• Provides smooth and reliable power transmission.
• Contributes to overall engine reliability and efficiency.

Symptoms Of Wear Or Failure:

• Squealing or chirping noises from the engine bay.
• Visible cracks, fraying or glazing on the belt surface.
• Belt slipping during operation.
• Battery charging system warning light.
• Reduced alternator performance.
• Air conditioning system not functioning correctly.
• Overheating caused by inadequate water pump operation (where belt-driven).
• Power steering assistance loss on applicable vehicles.
• Excessive belt vibration.
• Complete accessory system failure if the belt breaks.

Why Replacement Matters:

• Drive belts operate continuously whenever the engine is running and are exposed to heat, oil contamination, moisture, tension loads and constant flexing. Over time, the rubber material can harden, crack, stretch or wear, reducing the belt's ability to maintain proper grip and power transfer.
• A worn or failing drive belt can lead to poor accessory performance, reduced charging capacity, cooling system issues and loss of air conditioning operation. In severe cases, a broken belt can disable multiple engine systems simultaneously, potentially resulting in vehicle breakdown or engine overheating.
• Replacing a worn drive belt restores reliable power transmission to essential engine accessories and helps prevent unexpected failures. An OE Match replacement provides factory-style fitment, precise belt geometry and long-lasting durability, ensuring dependable operation and helping maintain the performance and reliability expected from your Porsche.

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95510293300

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Drive Belt



Fits:
All V6 models
Porsche 955 Cayenne V6 3.2L
Porsche 957 Cayenne V6 3.6L
Porsche 958 Cayenne V6 3.6L

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Diagram ref no 8

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95510293300

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Drive belt.



Fits:
All V6 models
Porsche 955 Cayenne V6 3.2L
Porsche 957 Cayenne V6 3.6L
Porsche 958 Cayenne V6 3.6L

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Diagram ref no 8

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95510293300

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Drive belt. Porsche 955/957/958 Cayenne V6

Fits:
All V6 models
Porsche 955 Cayenne V6 3.2L
Porsche 957 Cayenne V6 3.6L
Porsche 958 Cayenne V6 3.6L

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Diagram ref no 8

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