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Porsche > Macan (95B) MK1 (2014-2018) > 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18 > Engine Rebuild Parts >

Belts / Tensioners / Rollers

Belts / Tensioners / Rollers

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DISPLAYING 1 to 15 (of 15 products)
Drive Belt and Pulley Kit. Porsche 95B.1 Macan Diesel - 958903137, 95510211801, 95510211921, 958903133, 94660395500/1
2
Drive Belt and Pulley Kit. Porsche 95B.1 Macan Diesel
PULLEYKIT95BD
Product Information
Product Information

Drive Belt & Pulley Kit 

Maintain the reliability and efficiency of your Porsche Macan's auxiliary drive system with this comprehensive OE Match Drive Belt & Pulley Kit. Manufactured to match original factory specifications, this complete service kit contains all the major wear components required to restore smooth and reliable operation of the auxiliary belt drive system.

Fits:

  • Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18 

Diagram ref no 1 9, 12, 14 and pulley for 15   

Rather than replacing individual components as they fail, this kit allows you to renew the complete belt drive assembly in one service, helping to reduce the risk of future failures, eliminate unwanted belt noise and protect critical engine accessories.

Ideal for routine maintenance, preventative servicing or repairs, this OE Match kit provides factory-style fit, performance and long-term reliability.

Kit Contents

This complete OE Match kit includes:

  • 1 × Auxiliary drive belt
  • 1 × Belt tensioner damper with pulley assembly
  • 2 × Idler pulleys
  • 1 × Alternator overrunning pulley

All components are manufactured to closely replicate the original equipment design for straightforward installation and dependable performance.

What Does the Drive Belt & Pulley System Do?

The auxiliary drive belt system transfers engine power to several essential engine accessories.

These components work together to:

  • Drive the alternator to maintain battery charging.
  • Power engine accessories through the auxiliary belt system.
  • Maintain correct belt tension throughout the engine's operating range.
  • Reduce belt vibration and unwanted noise.
  • Ensure smooth and efficient rotation of driven components.
  • Improve overall reliability of the engine's front-end accessory drive.

A properly functioning belt drive system is essential for dependable charging performance and reliable day-to-day operation.

Why Do Drive Belt Components Fail?

The auxiliary belt system is subjected to continuous rotation, engine heat and varying loads every time the engine is running.

Common causes of wear include:

  • Natural ageing of the drive belt.
  • Bearing wear within idler pulleys.
  • Fatigue of the tensioner damper.
  • Seized or worn alternator overrunning pulley.
  • Belt glazing, cracking or stretching.
  • Dirt and moisture contamination.
  • High mileage and repeated heat cycles.

As one component begins to wear, additional strain is placed on the remaining pulleys and belt, often accelerating further failures.

When Should the Kit Be Replaced?

Replacement is recommended when:

  • The auxiliary belt shows signs of cracking or wear.
  • Squealing or chirping noises develop from the front of the engine.
  • Idler pulleys become noisy or rough.
  • The belt tensioner exhibits excessive movement or vibration.
  • The alternator pulley begins to seize or freewheel incorrectly.
  • Carrying out major engine servicing.
  • Preventative maintenance on higher mileage vehicles.

Replacing all wear components together helps restore smooth operation while reducing future labour costs and minimising the risk of roadside breakdowns.



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

PULLEYKIT95BD
958903137
95510211801
95510211921
958903133
94660395500

The product you are viewing cross references to these numbers
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / 95B.1 Macan Diesel - 95810236151, 95810236150, 958903133 - T39333
2
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / 95B.1 Macan Diesel
958903133/1
Product Information
Product Information
Belt tensioner roller. 

Fits:
Porsche 958 Cayenne 3.0L DIESEL 2011 - 2018
Porsche 970 Panamera 3.0L DIESEL 2012 - 2016
Porsche 95B.1 Macan 3.0L TDI 2014 - 2018

Diagram ref no 1

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

958903133
95810236151
95810236150
958903133

The product you are viewing cross references to these numbers
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / 95B.1 Macan Diesel - 95810236151, 95810236150, 958903133
3
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / 95B.1 Macan Diesel
958903133/2
Product Information
Product Information
Belt tensioner roller. 
This tensioner helps maintain the correct tension and routing of the accessory (serpentine) drive belt, which powers multiple engine-driven components such as the alternator, air conditioning compressor, and other auxiliary systems. By applying consistent force to the belt, the tensioner reduces slack, prevents belt slip, and supports smooth belt operation under varying engine loads and temperatures.

Fits:
Porsche 958 Cayenne 3.0L DIESEL 2011 - 2018
Porsche 970 Panamera 3.0L DIESEL 2012 - 2016
Porsche 95B.1 Macan 3.0L TDI 2014 - 2018

Diagram ref no 1

Application:
Accessory drive belt tensioner assembly - installed in the front engine accessory drive system to control belt tension and alignment.

Function:
• Applies and regulates tension to the accessory drive belt
•  Maintains proper belt alignment over pulleys
•  Reduces belt chatter and premature wear
•  Helps ensure reliable operation of belt-driven accessories

A worn or weak belt tensioner can lead to belt slip, increased noise (squeal or chirp), uneven belt wear, and reduced accessory performance. Replacing a failing tensioner restores proper tension control and helps prolong the life of the belt and pulleys - improving reliability and reducing the risk of accessory drive failures.

Replace the tensioner if you notice:
•   Squealing or chirping from the belt area
•   Visible belt wear or fraying
•   Belt slipping under load
•   Rough or noisy pulley bearing movement
•   During routine accessory belt or tensioner service intervals

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

958903133
95810236151
95810236150
958903133

The product you are viewing cross references to these numbers
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / Macan DIESEL - 95810236151, 95810236150, 958903133
4
Belt tensioner roller. Porsche 958 Cayenne / 970 Panamera / Macan DIESEL
Special Order item
958903133
Product Information
Product Information
Belt pensioner roller.

porsche

Fits:
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 1

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

958903133
95810236151
95810236150
958903133

The product you are viewing cross references to these numbers
Drive belt deflection roller. Porsche 957 / 958 Cayenne / 970 Panamera / Macan DIESEL - 95510211921, 95510211920
3
Drive belt deflection roller. Porsche 957 / 958 Cayenne / 970 Panamera / Macan DIESEL
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
Drive belt deflection roller. Porsche 957/958 Cayenne / 970 Panamera / Macan DIESEL - 95510211921, 95510211920
3
Drive belt deflection roller. Porsche 957/958 Cayenne / 970 Panamera / Macan DIESEL
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
Drive belt idler pulley deflection roller. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera - 95814527901, 7PP145279
4
Drive belt idler pulley deflection roller. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera
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
Drive belt idler pulley. Porsche 718 Boxster / 718 Cayman / 991 / 95B Macan - 0PB145257, 9A110203001SK, 9A110203001, 94610211730, 9A210223500, 03G145291
2
Drive belt idler pulley. Porsche 718 Boxster / 718 Cayman / 991 / 95B Macan
Special Order item
0PB145257
Product Information
Product Information
Drive belt idler pulley. D=70.

porsche

Fits:
Porsche 991.1 Carrera 3.4L / 3.8L 2011-16 (A104)
Porsche 991.2 Carrera 3.0L 2017-19
Porsche 991 Turbo 3.8L 2014-20
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 718 (982) Boxster 2017-21
Porsche 718 (982) Cayman 2017-21
Porsche 95B.1 Macan 3.0L / 3.6L 2013-18

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

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

0PB145257
0PB145257
9A110203001SK
9A110203001
94610211730
9A210223500
03G145291

The product you are viewing cross references to these numbers
Drive belt idler pulley. Porsche 718 Boxster / 718 Cayman / 991 / 95B Macan - 0PB145257, 9A110203001SK, 9A110203001, 94610211730, 9A210223500, 03G145291, 102205
3
Drive belt idler pulley. Porsche 718 Boxster / 718 Cayman / 991 / 95B Macan
0PB145257/1
Product Information
Product Information
Drive belt idler pulley.
with bolt and protective cap.

oematch

Fits:
Porsche 991.1 Carrera 3.4L / 3.8L 2011-16 (A104)
Porsche 991.2 Carrera 3.0L 2017-19
Porsche 991 Turbo 3.8L 2014-20
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 718 (982) Boxster 2017-21
Porsche 718 (982) Cayman 2017-21
Porsche 95B.1 Macan 3.0L / 3.6L 2013-18


Material: Plastic
Outer Diameter: 70 mm
Pulley Surface Width: 26 mm

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



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

0PB145257
0PB145257
9A110203001SK
9A110203001
94610211730
9A210223500
03G145291
102205

The product you are viewing cross references to these numbers
Drive belt roller guide pulley. Porsche 95B.1 Macan - 94610211832, 94610211831, 94610211830
4
Drive belt roller guide pulley. Porsche 95B.1 Macan
Special Order item
94610211832
Product Information
Product Information
Drive belt idler pulley with bolt and protective cap.

Fits:
Porsche 95B.1  Macan  3.0L / 3.6L 2014 - 2018

Diagram ref no 7

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

94610211832
94610211832
94610211831
94610211830

The product you are viewing cross references to these numbers
Drive belt tensioner. Porsche 958 Cayenne 3.6L / 970.2 Panamera 3.6L / 95B.1 Macan - 94810226175 - 948.102.261.00
3
Drive belt tensioner. Porsche 958 Cayenne 3.6L / 970.2 Panamera 3.6L / 95B.1 Macan
94810226175/1
Product Information
Product Information
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



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

94810226175
94810226175

The product you are viewing cross references to these numbers
Drive Belt Tensioner. Porsche Cayenne 3.6L / 970 Panamera 3.6L / Macan - 94810226175
4
Drive Belt Tensioner. Porsche Cayenne 3.6L / 970 Panamera 3.6L / Macan
Special Order item
94810226175
Product Information
Product Information
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.



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

94810226175
94810226175

The product you are viewing cross references to these numbers
V-Ribbed Drive, Alternator Belt for Porsche 95B-1 Macan S Diesel 2014-2018 - 059903137AG, 958903137 - 68478, 6PK2413, 6PK2415
3
V-Ribbed Drive, Alternator Belt for Porsche 95B-1 Macan S Diesel 2014-2018
958903137/1
Product Information
Product Information
V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
The DAYCO V-ribbed drive belt (6PK2415) is an OEM-quality auxiliary drive belt designed for the Porsche 95B.1 Macan S Diesel 3.0L V6 (2014–2018). Manufactured as a direct replacement for Porsche part number 958903137, this multi-rib belt ensures efficient power transmission from the engine to key auxiliary components, including the alternator and air conditioning compressor, helping to maintain reliable vehicle performance.

Fits:
Porsche 95B.1 Macan 3.0L DIESEL 2014 - 2018

Diagram ref no 14

A genuine DAYCO V-ribbed auxiliary drive belt (6PK2415) manufactured as a direct replacement for Porsche part number 958903137.  Transfers engine power to the alternator and auxiliary drive components, ensuring reliable battery charging and efficient operation of the vehicle's electrical and air conditioning systems.

Key Features & Benefits
•  Genuine DAYCO OEM-quality drive belt
•  Direct replacement for Porsche 958903137
•   6PK2415 multi-rib design
•  High-strength EPDM construction for extended durability
•  Excellent resistance to heat, wear, and stretching
•  Smooth, quiet operation with precise fitment
•  Ideal for scheduled maintenance and belt replacement

Why Replacing the Drive Belt Matters
The auxiliary drive belt operates continuously whenever the engine is running. Over time it can become worn, cracked, glazed, or stretched, reducing efficiency and increasing the risk of belt failure. Replacing the belt at the recommended service interval helps maintain reliable charging performance and ensures the auxiliary systems continue to operate correctly.

When to Replace the Drive Belt
•  Visible cracks, fraying, or glazing
•  Squealing or chirping noises from the engine bay
•  Signs of belt stretching or excessive wear
•  During major engine or auxiliary drive servicing
•  If contaminated by oil or coolant
•  At the manufacturer's recommended service interval

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

958903137
059903137AG
958903137

The product you are viewing cross references to these numbers
V-Ribbed Drive, Alternator Belt. Porsche 95B-1 Macan S Diesel 2014-2018 - 059903137AG, 958903137
2
V-Ribbed Drive, Alternator Belt. Porsche 95B-1 Macan S Diesel 2014-2018
Special Order item
958903137
Product Information
Product Information
V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
The Genuine Porsche 958903137 V-ribbed drive / alternator belt is an OE Poly-V belt for the Porsche 95B.1 Macan S Diesel 3.0L V6 2014–2018. It drives the alternator and related auxiliary components, helping maintain battery charging, air-conditioning operation and reliable accessory drive performance. Ideal for routine servicing or replacing a cracked, noisy, slipping or worn original belt.

Fits:
Porsche 95B-1 Macan S Diesel 3.0L  2014 - 2018

Diagram ref. 14.

This original Porsche Poly-V belt forms part of the engine accessory drive system and helps drive auxiliary components such as the alternator and air-conditioning compressor.

What This Part Does / Functions
• Drives the alternator from the engine pulley system
•  Helps keep the battery charged while the engine is running
•  Supports the vehicle’s electrical system by maintaining alternator operation
•  Drives the air-conditioning compressor where included in the belt routing
•  Supports correct operation of the engine accessory drive system
•  Helps maintain reliable auxiliary component performance
•  Provides factory-correct belt fitment and rib profile
•  Replaces a worn, cracked, stretched, glazed or noisy drive belt.

Why Replace This Part?
The V-ribbed drive belt is a normal service wear item. Over time, heat, pulley contact, tension and engine operation can cause the belt to crack, glaze, stretch, fray or slip. A worn belt may cause squealing noises, poor charging performance, air-conditioning issues or accessory-drive warning symptoms. Replacing the belt with a Genuine Porsche OE drive belt helps restore reliable alternator and accessory drive operation, while maintaining the correct Porsche belt specification and fitment.

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 air-conditioning performance is affected by belt slip
•   During scheduled service or preventative belt replacement
•   When replacing the alternator, belt tensioner, idler pulley or A/C compressor
•   If the belt has been contaminated by oil, coolant or debris
•   When restoring the engine bay with correct OE Porsche service parts.

Where It Fits on the Car
This belt fits on the engine accessory drive system of the Porsche Macan S Diesel. It runs around the relevant pulleys according to the factory belt routing and drives auxiliary components such as the alternator and air-conditioning compressor.

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

958903137
059903137AG
958903137

The product you are viewing cross references to these numbers
V-Ribbed Drive, Alternator Belt. Porsche 95B-1 Macan S Diesel 2014-2018 - 059903137AG, 958903137 - MV06PK2415
3
V-Ribbed Drive, Alternator Belt. Porsche 95B-1 Macan S Diesel 2014-2018
958903137/3
Product Information
Product Information
V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
OE Match V-ribbed drive / alternator belt for Porsche 95B.1 Macan S Diesel models from 2014 to 2018. This replacement belt helps drive the alternator and related engine auxiliary components, supporting reliable charging system and accessory drive operation.

Fits:
Porsche 95B-1 Macan S Diesel 2014 - 2018

Diagram ref. 14.

The V-ribbed drive belt transfers rotational power from the engine pulley to the alternator and associated auxiliary components. A correctly fitted and tensioned belt is essential for dependable alternator charging, smooth accessory operation, and overall engine service reliability.

Functions
•  Replaces the V-ribbed drive / alternator belt
•  Drives the alternator and related auxiliary components
•  Supports correct battery charging and electrical system operation
•  Helps maintain reliable engine accessory drive performance
•  Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
•  Suitable for scheduled maintenance and preventative belt replacement
•  OE Match replacement for Porsche Macan S Diesel engine service.

Why Replace This Part?
V-ribbed 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. If the belt fails, the alternator and driven auxiliary systems may stop working correctly, which can lead to charging faults, warning lights, poor accessory operation, or vehicle breakdown. Replacing the belt helps restore dependable engine accessory drive performance.

When to Replace This Part
•   The belt is cracked, glazed, frayed, stretched, or worn
•   Belt squeal, chirping, or slipping is present
•   The battery warning light appears
•   Charging system output is low or inconsistent
•   The alternator, pulleys, tensioner, or related components are being serviced
•   Preventative belt replacement is being carried out during scheduled maintenance
•   The vehicle is undergoing Porsche Macan S Diesel engine service.

Where it fits on the car
This belt fits within the engine auxiliary drive / alternator belt system on Porsche 95B.1 Macan S 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.

958903137
059903137AG
958903137

The product you are viewing cross references to these numbers
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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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