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Belts / Tensioners / Rollers

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DISPLAYING 17 to 32 (of 39 products)
1 2 3
958903341/1
Product Information
Product Information
Drive belt deflection roller with fastening screw
The FEBI Bilstein drive belt deflection roller is an OEM-quality replacement component designed for the auxiliary drive system of the Porsche 958 Cayenne V6 Hybrid (2011–2017) and 970 Panamera V6 Hybrid (2012–2016). Manufactured as a direct replacement for Porsche part number 95810211801, this roller is supplied complete with the fastening screw, providing everything required for a straightforward installation.

Fits:
Porsche 958 Cayenne V6 3.0L HYBRID 2011 - 2017
Porsche 970 Panamera V6 3.0L HYBRID 2012 - 2016

Diagram ref no 6

What This Part Does:
Guides and supports the auxiliary drive belt, maintaining the correct belt path and tension while reducing vibration and ensuring smooth, reliable operation of the engine's accessory drive system.

Key Features & Benefits
•   OEM-quality FEBI Bilstein replacement
•   Includes fastening screw
•   Direct replacement for Porsche 95810211801, 95810211800, 06E903341H, 958903341
•   High-quality bearing for smooth, quiet operation
•   Helps reduce belt vibration and premature wear
•   Durable construction for long service life
•   Precision-engineered for OEM fit and performance

Why Replacing the Drive Belt Deflection Roller Matters
The deflection roller operates continuously whenever the engine is running. Over time, its bearing can wear, causing noise, increased belt vibration, or premature belt wear. Replacing a worn roller helps maintain correct belt alignment, protects the auxiliary drive system, and ensures reliable operation of engine accessories.

When to Replace the Drive Belt Deflection Roller
•  During auxiliary drive belt replacement
•  If the roller bearing becomes noisy or rough
•  If excessive belt vibration is present
•  When signs of pulley wear or damage are visible
•  During major front-end engine servicing
•  As preventative maintenance on higher-mileage vehicles

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

958903341
95810211801
95810211800
06E903341H
958903341

The product you are viewing cross references to these numbers
958903341/2
Product Information
Product Information
Drive Belt Deflection Roller.
The OE Match Drive Belt Deflection Roller is a premium-quality replacement auxiliary belt drive component designed to guide and support the serpentine drive belt on compatible Porsche engines. Manufactured to OE specifications for fit, performance and durability, this precision-engineered deflection roller maintains correct belt routing and alignment, helping to ensure the efficient operation of engine-driven accessories while reducing unnecessary belt wear.  

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 6

Manufactured from high-strength steel with a precision-machined pulley and premium sealed bearing, the deflection roller is engineered to withstand continuous high-speed rotation, engine vibration and demanding operating temperatures. Designed for direct OE-style installation, it integrates seamlessly with the original auxiliary drive system and works alongside the belt tensioner to provide smooth, reliable belt operation throughout the engine's operating range.

What This Product Does:  
  • Guides the auxiliary drive belt along its correct path.
  • Maintains accurate belt alignment.
  • Supports smooth and efficient belt operation.
  • Reduces unnecessary belt vibration.
  • Minimises belt wear and slippage.
  • Helps maximise the performance of engine-driven accessories.
  • Restores factory auxiliary belt drive performance.
  • Forms an essential part of the engine auxiliary belt system.

Symptoms Of Wear Or Failure:
  • Squealing or chirping noises from the auxiliary belt.
  • Grinding or rumbling sounds from the roller bearing.
  • Excessive belt vibration.
  • Uneven or accelerated drive belt wear.
  • Belt tracking incorrectly across the pulleys.
  • Seized or rough roller bearing.
  • Visible pulley wear or damage.
  • Belt slipping during engine operation.
  • Premature failure of the auxiliary drive belt.
  • Charging, cooling or air conditioning issues caused by belt misalignment.

Why Replacement Matters:

  • The drive belt deflection roller operates continuously whenever the engine is running, supporting the auxiliary belt as it drives essential components such as the alternator, water pump, air conditioning compressor and power steering pump (where fitted). Over time, the internal bearing can wear due to constant rotation, heat and vibration, reducing the roller's ability to guide the belt correctly.
  • A worn or seized deflection roller can cause excessive belt wear, misalignment and unwanted noise. In severe cases, bearing failure can cause the auxiliary belt to derail or break, resulting in the loss of critical engine-driven systems and potentially leading to engine overheating or battery charging failure.
  • Replacing a worn or faulty drive belt deflection roller restores smooth belt operation, correct alignment and reliable performance of the auxiliary drive system. The OE Match replacement provides factory-style fitment, premium sealed bearings and durable construction, helping to extend belt life and maintain the reliability and performance expected from your Porsche.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

958903341
95810211801
95810211800
958903341

The product you are viewing cross references to these numbers
Special Order item
95814527601
Product Information
Product Information
Drive belt deflection roller.

porsche

Fits:
Porsche 957 Cayenne S / GTS / Turbo 2008-10
Porsche 958 Cayenne S / GTS / Turbo 2011-14
Porsche 970 Panamera / S / GTS / Turbo 2011-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95814527601
95814527601
7PP145276
33102001
95510211910

The product you are viewing cross references to these numbers
95814527601/1
Product Information
Product Information
Drive belt deflection roller.

oematch

Fits:
Porsche 957 Cayenne S / GTS / Turbo 2008-10
Porsche 958 Cayenne S / GTS / Turbo 2011-14
Porsche 970 Panamera / S / GTS / Turbo 2011-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95814527601
33102001
95814527601
7PP145276
95510211910

The product you are viewing cross references to these numbers
95510211921/1
Product Information
Product Information
Drive belt deflection roller. EACH. 2 per engine.

oematch

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
95510211921
95510211920

The product you are viewing cross references to these numbers
Special Order item
95510211921
Product Information
Product Information
Drive belt deflection roller. EACH.

porsche

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
95510211921
95510211920

The product you are viewing cross references to these numbers
Special Order item
95814527901
Product Information
Product Information
Drive belt idler pulley deflection roller.
with bolt and protective cap

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95814527901
95814527901
7PP145279

The product you are viewing cross references to these numbers
Special Order item
7PP903137B
Product Information
Product Information
Drive belt
Number of ribs: 7
Length: 2884 mm

porsche

Fits:
Porsche 970 Panamera GTS 4.8Ltr 2013-2016

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

7PP903137B
7PP903137B
7

The product you are viewing cross references to these numbers
Special Order item
7PP903137A
Product Information
Product Information
Drive belt
Number of ribs:
Length: 2880 mm

porsche

Fits:
Porsche 970 Panamera S 3.0Ltr 2014-2016

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

7PP903137A
7PP903137A
7

The product you are viewing cross references to these numbers
Special Order item
94810226121
Product Information
Product Information
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.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94810226121
94810226121

The product you are viewing cross references to these numbers
94810226121/1
Product Information
Product Information
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.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94810226121
94810226121

The product you are viewing cross references to these numbers
Special Order item
94810226175
Product Information
Product Information
Drive Belt Tensioner (Hydraulic Portion).


porsche

Fits:

·         Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
·         Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
·         Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
·         Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
·         Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
·         Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
·         Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18


Click 'Zoom in' for large parts diagram
Diagram ref no 3



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94810226175
94810226175

The product you are viewing cross references to these numbers
Special Order item
95810221610
Product Information
Product Information
Drive belt. 6 PK 21.36 X 2518
Genuine Porsche OE drive belt for Porsche 958 Cayenne 3.0L Diesel and 970 Panamera 3.0L Diesel models. This original Porsche Poly-V / serpentine belt forms part of the engine accessory drive system and helps drive key auxiliary components from the engine pulley system.

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012 - 2018
Porsche 970 Panamera 3.0L Diesel 2012 - 2016

Diagram ref no 16

This belt is used on selected Porsche 3.0L diesel engines and is commonly listed for Porsche 958 Cayenne Diesel and 970 Panamera Diesel applications.

What This Part Does / Functions
•  Transfers drive from the engine crankshaft pulley to auxiliary components
•  Helps drive the alternator to maintain battery charging
•  Supports operation of the water pump, power steering pump and air-conditioning compressor where included in the belt routing
•  Helps maintain correct operation of the engine accessory drive system
•  Provides the correct OE Porsche belt profile and fitment
•  Helps reduce belt slip, squeal and accessory-drive faults when correctly installed
•   Replaces a cracked, worn, stretched, glazed or noisy original belt
•   Maintains factory Porsche service specification and reliability.

Why Replace This Part?
The drive belt is a normal service wear item. Over time, heat, tension, pulley contact and engine operation can cause the belt to crack, glaze, fray, stretch or lose grip. A worn belt may cause squealing noises, poor charging performance, coolant circulation issues, power steering problems, air-conditioning faults or complete accessory drive failure. Replacing the belt with a Genuine Porsche OE drive belt helps restore reliable auxiliary drive operation and protects key engine systems that depend on the belt-driven components.

When to Replace This Part
•   If the belt is cracked, glazed, frayed or visibly worn
•   If the belt squeals, slips or makes noise on start-up or under load
•   If the battery or charging warning light appears
•   If there are power steering, cooling or air-conditioning symptoms linked to belt slip
•   During scheduled service or preventative belt replacement
•   When replacing the belt tensioner, idler pulleys, alternator, water pump or A/C compressor
•   If the belt has been contaminated by oil, coolant or road debris
•   When restoring the engine bay with correct OE Porsche service parts.

Where It Fits on the Car
This belt fits on the front engine accessory drive system of the 3.0L diesel engine. It routes around the crankshaft pulley, tensioner, idler pulleys and driven accessories according to the factory belt layout. Porsche dealer listings describe the routing for Cayenne 3.0L Diesel as including the crankshaft pulley, tensioner, idlers, alternator, water pump, power steering pump and compressor.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95810221610
95810221610
6PK2520

The product you are viewing cross references to these numbers
95810221610/1
Product Information
Product Information
Drive belt. 6 PK 21.36 X 2520

Fits:
Porsche 958 Cayenne 3.0L DIESEL 2012-18
Porsche 970 Panamera 3.0L DIESEL 2012-16

Diagram ref no 16

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95810221610
95810221610

The product you are viewing cross references to these numbers
95810221610/2
Product Information
Product Information
Drive belt. 6 PK 21.36 X 2518
This OE Match drive belt is a replacement auxiliary engine belt for Porsche 958 Cayenne 3.0L Diesel and 970 Panamera 3.0L Diesel models. It is designed to match the original-style fitment and function, helping maintain correct belt drive operation across the engine accessory system.

Fits:
Porsche 958 Cayenne 3.0L DIESEL 2012 - 2018
Porsche 970 Panamera 3.0L DIESEL 2012 - 2016

Diagram ref no 16

The drive belt transfers rotational power from the engine pulley to the relevant auxiliary components. A correctly fitted and tensioned belt is essential for dependable accessory drive performance and overall engine system reliability.

Functions
•  Replaces the engine drive belt
•  Transfers drive from the engine pulley to auxiliary components
•  Supports reliable accessory belt operation
•  Helps maintain correct belt tension and pulley contact
•  Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
•  Suitable for routine servicing and preventative maintenance
•  OE Match replacement for Porsche Diesel engine service.

Why Replace This Part?
Drive belts wear over time due to heat, vibration, pulley contact, age, tension changes, and engine bay conditions. A worn belt can crack, glaze, stretch, fray, squeal, slip, or fail completely. Replacing the belt helps maintain reliable auxiliary system operation and reduces the risk of belt-related breakdowns.

When to Replace This Part
•   The belt is cracked, glazed, frayed, stretched, or worn
•   Belt squeal or chirping is heard during start-up or acceleration
•   The belt is slipping or not tracking correctly
•   The belt tensioner, pulleys, alternator, or related components are being serviced
•   Preventative belt replacement is being carried out during scheduled maintenance
•   The engine accessory drive system is being inspected
•   The vehicle is undergoing Porsche Cayenne or Panamera Diesel engine service.

Where it fits on the car
This drive belt fits within the engine auxiliary belt drive system on Porsche 958 Cayenne 3.0L Diesel and 970 Panamera 3.0L Diesel models. It runs around the relevant pulleys according to the factory belt routing.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95810221610
95810221610
6PK2520

The product you are viewing cross references to these numbers
95810225110/1
Product Information
Product Information
Drive belt - 21.36 x 963mm

gates

Fits
Porsche 958 Cayenne S Hybrid V6 3.0ltr - 2010 to 2017

Porsche Panamera 970.1 S Hybrid
Porsche Panamera 970.2 S E-Hybrid


Click 'Zoom in' for large parts diagram.
Diagram ref no 8



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95810225110
95810225110

The product you are viewing cross references to these numbers
DISPLAYING 17 to 32 (of 39 products)
1 2 3
Also found on these pages
About Belts / Tensioners / Rollers

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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