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Belts / Tensioners / Rollers

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DISPLAYING 17 to 29 (of 29 products)
1 2
Special Order item
9A210222500
Product Information
Product Information
Drive belt
The Genuine Porsche 9A210222500 drive belt is an OE V-ribbed / serpentine belt for selected Porsche 718 Boxster S and 718 Cayman S 2.5L models. It drives the engine auxiliary components, helping maintain reliable charging and accessory system operation. Ideal for routine servicing or replacing a cracked, noisy, slipping or worn original belt.

Fits
Porsche 718 Boxster S 2.5Ltr 2017>>
Porsche 718 Cayman S 2.5Ltr 2017>>

Diagram ref no 1

This original Porsche V-ribbed / serpentine belt is part of the engine auxiliary drive system and helps drive key belt-driven components from the engine pulley system.

What This Part Does / Functions
Transfers drive from the engine pulley system to auxiliary components
 Helps drive the alternator to maintain battery charging
 Supports correct operation of the engine accessory drive system
 Helps maintain reliable auxiliary component performance
 Provides the correct OE Porsche belt length, rib profile and fitment
 Helps reduce belt slip, squeal and accessory-drive faults when fitted correctly
 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, pulley contact, engine speed changes and belt tension can cause the belt to crack, glaze, stretch, fray or lose grip. A worn belt may cause squealing noises, charging faults, accessory-drive issues or warning lights. Replacing it with a Genuine Porsche OE drive belt helps restore correct auxiliary drive operation and supports reliable engine accessory performance. It is also good practice to inspect the tensioner, idler pulleys and related belt-drive components when replacing the belt.

When to Replace This Part
  If the belt is cracked, glazed, frayed or visibly worn
  If the belt squeals, slips or makes noise during engine operation
  If the belt has stretched or no longer runs correctly
  During scheduled service or preventative belt replacement
  When replacing the alternator, belt tensioner, idler pulleys or related accessory-drive components
  If the belt has been contaminated by oil, coolant or debris
  If charging or accessory-drive faults are linked to belt slip
  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 718 Boxster S and 718 Cayman S 2.5L engine. It routes around the relevant pulleys, idlers and tensioner according to the factory belt layout.

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

9A210222500
9A210222400

The product you are viewing cross references to these numbers
Special Order item
0PB903137G
Product Information
Product Information
Drive Belt. Porsche 981 / 981C / 991.1 / 991.2 / 992 / GT4

Fits:
Porsche 991.1 Carrera 3.4L 2012-16 Engine MA1.04
Porsche 991.1 Carrera S 3.8L 2012-2016 Engine MA1.03
Cars without PDCC
Porsche 991.2 Carrera 3.0L 2017>> Engine MDC.KA
Cars without sport chassis

Porsche 992 Carrera
Porsche 992 S and GTS from 15.06.20
Cars without PDCC

Porsche 992.2 Carrera 2 

Porsche 991.1 Turbo 3.8L 2014-18 Engine MA1.71
Porsche 991.2 Turbo 3.8L 2018-20
Cars without PDCC


Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 982 (718) Boxster GTS 4.0Ltr

Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 982C (718C) Cayman GTS 4.0Ltr

Diagram ref no 7

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

0PB903137G
9A110221800
6K1767
6PK1767
0PB903137A
0PB903137G

The product you are viewing cross references to these numbers
0PB903137G/1
Product Information
Product Information
Drive Belt. Porsche 981 / 981C / 991.1 / 991.2 / 992 / GT4. 
6 Ribs | Width: 21.36mm | Length: 1768mm.

Fits:
Porsche 991.1 Carrera 3.4L 2012-16 Engine MA1.04
Porsche 991.1 Carrera S 3.8L 2012-2016 Engine MA1.03
Cars without PDCC
Porsche 991.2 Carrera 3.0L 2017>> Engine MDC.KA
Cars without sport chassis

Porsche 992 Carrera
Porsche 992 S and GTS from 15.06.20
Cars without PDCC

Porsche 991.1 Turbo 3.8L 2014-18 Engine MA1.71
Porsche 991.2 Turbo 3.8L 2018-20
Cars without PDCC

Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 718 Boxster GTS 4.0Ltr
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 718 Cayman GTS 4.0Ltr

Diagram ref no 7

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

0PB903137G
0PB903137A
6PK1768
9A110221800
0PB903137G

The product you are viewing cross references to these numbers
0PB903137G/2
Product Information
Product Information
Drive belt
This OE Match drive belt is a replacement auxiliary / serpentine belt for selected Porsche 981, 981C Cayman, 991.1, 991.2, 992, and GT4 models. This drive belt fits on the engine auxiliary belt drive system. It runs around the designated pulleys according to the factory belt routing for the specific Porsche model and engine type.

Fits:
Porsche 991.1 Carrera 3.4L 2012-16 Engine MA1.04
Porsche 991.1 Carrera S 3.8L 2012-2016 Engine MA1.03
Cars without PDCC
Porsche 991.2 Carrera 3.0L 2017>> Engine MDC.KA
Cars without sport chassis

Porsche 992 Carrera
Porsche 992 S and GTS from 15.06.20
Cars without PDCC

Porsche 992.2 Carrera 2 

Porsche 991.1 Turbo 3.8L 2014-18 Engine MA1.71
Porsche 991.2 Turbo 3.8L 2018-20
Cars without PDCC


Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 982 (718) Boxster GTS 4.0Ltr

Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 982C (718C) Cayman GTS 4.0Ltr

Diagram ref no 7

The drive belt transfers rotational power from the engine pulley system to the auxiliary components. Depending on the vehicle specification, it may drive components such as the alternator, water pump, air conditioning compressor, or other belt-driven accessories. A correctly tensioned and good-condition belt is essential for reliable engine and charging system operation.

Functions
•  Drives engine auxiliary components
•  Helps power belt-driven systems such as charging, cooling, and air conditioning
•  Supports reliable alternator and accessory operation
•  Helps maintain correct auxiliary pulley function
•  Replaces cracked, worn, noisy, stretched, or damaged original belts
•  Supports smooth and efficient engine accessory drive operation
•   OE Match replacement for routine service and preventative maintenance.

Why Replace This Part?
Drive belts are exposed to heat, friction, tension, pulley load, oil contamination, and age-related wear. Over time, the belt can crack, glaze, stretch, fray, squeal, or lose grip. A worn belt can cause belt noise, charging issues, cooling problems, air conditioning faults, or complete accessory drive failure. Replacing the drive belt helps maintain reliability and prevents avoidable breakdowns.

When to Replace This Part
•   The belt is cracked, frayed, glazed, or visibly worn
•   Squealing or chirping noises are heard from the belt area
•   The belt has become contaminated with oil or coolant
•   The auxiliary belt tensioner or pulleys are being replaced
•   Charging, cooling, or air conditioning performance is affected
•   The belt has been removed during engine service
•   Preventative replacement is being carried out during routine maintenance

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

0PB903137G
9A110221800
6K1767
6PK1767
0PB903137A
0PB903137G

The product you are viewing cross references to these numbers
Special Order item
0PB903317A
Product Information
Product Information
Hydraulic Belt Tensioner.

The Hydraulic belt tensioner is a vital component of the engine auxiliary drive system, responsible for maintaining the correct tension on the serpentine (drive) belt. This ensures reliable operation of engine-driven components such as the alternator, water pump, air conditioning compressor, and power steering system.

Fits:

  • Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
  • Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
  • Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
  • Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
  • Porsche Cayman 718 2.0L Manual (300 Bhp)
  • Porsche Cayman 718 2.0L PDK (300 Bhp)
  • Porsche Cayman T 718 2.0L Manual (300 Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)  

Diagram Ref No 3

What This Product Does:

  • Maintains correct tension on the auxiliary drive belt
  • Ensures proper operation of belt-driven components
  • Prevents belt slippage and misalignment
  • Compensates for belt stretch and wear over time

Symptoms Of Wear Or Failure:
  • Squealing or chirping noise from the engine bay
  • Loose or slipping drive belt
  • Visible vibration or movement in the tensioner arm
  • Uneven or accelerated belt wear
  • Failure of belt-driven components (e.g. alternator not charging properly)

Why Replacement Matters:
  • Ensures proper belt tension and alignment
  • Prevents belt slippage and unexpected failure
  • Maintains reliable operation of engine accessories
  • Reduces noise and vibration from the drive system
  • Helps avoid breakdowns caused by belt failure



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

0PB903317A
0PB903317A
9A210226100

The product you are viewing cross references to these numbers
Special Order item
0PB903317
Product Information
Product Information
Hydraulic belt tensioner.

porsche

Fits:
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 3.8L 2010-13
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-19
Porsche 991 Turbo 2014-20
Porsche 991 GT3 3.8L 2013-21
Porsche 992.1 Carrera 2019>>
Porsche 992 Turbo 2020>>
Porsche 992 GT3 2021>>

Porsche 987.2 Boxster 2009-12 incl. Spyder
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster GTS 4.0L / Spyder 4.0L 2017>>

Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2013-16 incl. GT4
Porsche 982C Cayman GTS 4.0L / GT4 4.0L 2017>> 

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

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

0PB903317
94810226100

The product you are viewing cross references to these numbers
0PB145172/1
Product Information
Product Information
Idler pulley alternator belt. 

oematch

Fits:
Porsche 981 Boxster - 2012 to 2016
Porsche 981 Cayman - 2013 to 2016
Porsche 718 Boxster GTS 4.0ltr - 2017 Onwards
Porsche 718 Boxster Spyder - 2019 to 2024
Porsche 718 Cayman GTS 4.0lt - 2017 Onwards
Porsche 718 Cayman GT4 - 2019 to 2024
Porsche 991.1 - 2012 to 2016
Porsche 991.2 - 2017 to 2019
Porsche 991 turbo - 2014 to 2020
Porsche 992 - 2019 to 2024
Porsche 992 turbo - 2020 to 2024

Click 'Zoom in' for large parts diagram.
Diagram ref no 2



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

0PB145172
9A110203001
0PB145172

The product you are viewing cross references to these numbers
Special Order item
PAF008128
Product Information
Product Information
Bolt - M6 x 30 - For The Upper Idler Pulley Bracket/Console. 
Sold Individually. 

Fits:
Porsche 981 Boxster 2.7L 2012>>2016
Porsche 981 Boxster S 3.4L 2012>>2016
Porsche 981 Boxster Spyder 3.8L 2016

Porsche 981 Cayman 2.7L 2014>>2016
Porsche 981 Cayman S 3.4L 2014>>2016
Porsche 981 Cayman GT4 3.8L 2016

Porsche 718 (982) Boxster GTS 4.0L 2017>>
Porsche 718 (982) Boxster Spyder 4.0L 2019>> - Excludes Spyder RS

Porsche 718 (982) Cayman GTS 4.0L 2017>>
Porsche 718 (982) Cayman GT4 4.0L 2019>> - Excludes GT4 RS

Porsche 991 Carrera 2012>>2019 
Porsche 991 Turbo / GT2 RS 2014>>2020

Porsche 992-1 Carrera 2019>>2024
Porsche 992-2 Carrera 2024>> - Excludes 3.6L GTS Hybrid Models
Porsche 992-1 Turbo 2020>>

Diagram Ref No 20

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

PAF008128
PAF008128
90038504801
90038504804

The product you are viewing cross references to these numbers
Special Order item
PAF008361
Product Information
Product Information
Bolt - M8 x 26 - For The Hydraulic Drive Belt Tensioner. 
Sold Individually. 

Fits:
Porsche 987-2 Boxster 2.9L 2009>>2012
Porsche 987-2 Boxster S 3.4L 2009>>2012

Porsche 987-2 Cayman 2.9L 2009>>2012
Porsche 987-2 Cayman S 3.4L 2009>>2012

Porsche 981 Boxster 2.7L 2012>>2016
Porsche 981 Boxster S 3.4L 2012>>2016
Porsche 981 Boxster Spyder 3.8L 2016

Porsche 981 Cayman 2.7L 2014>>2016
Porsche 981 Cayman S 3.4L 2014>>2016
Porsche 981 Cayman GT4 3.8L 2016

Porsche 718 (982) Boxster 2.0L 2017>>
Porsche 718 (982) Boxster S 2.5L 2017>>
Porsche 718 (982) Boxster Spyder / RS 4.0L 2019>>

Porsche 718 (982) Cayman 2.0L 2017>>
Porsche 718 (982) Cayman S 2.5L 2017>> 
Porsche 718 (982) Cayman GT4 / RS 4.0L 2019>> 

Porsche 997-2 Carrera 2009>>2012
Porsche 997-2 Turbo 2010>>2013 - (Excludes GT2 RS)

Porsche 991 Carrera 2012>>2019 
Porsche 991 Turbo / GT2 RS 2014>>2020
Porsche 991 GT3 / GT3 RS 2014>>2021

Porsche 992-1 Carrera 2019>>2024
Porsche 992-2 Carrera 2024>> - Excludes 3.2L Hybrid GTS Models
Porsche 992-1 Turbo 2020>> 
Porsche 992-1 GT3 / GT3 RS 2021>>

Diagram Ref No 5

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

PAF008361
99907341201
PAF008361

The product you are viewing cross references to these numbers
Special Order item
9A700803500
Product Information
Product Information
Bolt - M8 x 60 - for the hydraulic drive belt tensioner. 
Genuine Porsche OE M8x60 bolt for the drive belt tensioner / V-belt system on selected Porsche models. This original Porsche fastening bolt is used to secure the belt tensioner, tension pulley or related belt-drive mounting components, helping maintain correct accessory belt alignment and reliable drive belt operation.
Sold individually

Fits:
Porsche 987-2 Boxster 2.9L 
Porsche 987-2 Boxster S 3.4L

Porsche 987-2 Cayman 2.9L
Porsche 987-2 Cayman S 3.4L 

Porsche 981 Boxster 2.7L 2012-16
Porsche 981 Boxster S 3.4L 2012-16
Porsche 981 Boxster Spyder 3.8L 2016

Porsche 981 Cayman 2.7L 2014-16
Porsche 981 Cayman S 3.4L 2014-16
Porsche 981 Cayman GT4 3.8L 2016

Porsche 718 (982) Boxster 2.0L 2017>>
Porsche 718 (982) Boxster S 2.5L 2017>>
Porsche 718 (982) Boxster Spyder / RS 4.0L 2019>>

Porsche 718 (982) Cayman 2.0L 2017>>
Porsche 718 (982) Cayman S 2.5L 2017>> 
Porsche 718 (982) Cayman GT4 / RS 4.0L 2019>> 

Porsche 997-2 Carrera 2009-12
Porsche 997-2 Turbo 2010-13 - (Excludes GT2 RS)

Porsche 991 Carrera 2012-19 
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS 2014-21

Porsche 992-1 Carrera 2019-24
Porsche 992-2 Carrera 2024>> - Excludes 3.2L Hybrid GTS Models
Porsche 992-1 Turbo 2020>> 
Porsche 992-1 GT3 / GT3 RS 2021>>

Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21

Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2024>>

Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>> 
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>> 

Diagram ref no 9

This bolt is used within the drive belt / V-belt / Poly-V belt tensioner system on selected Porsche engines.

What This Part Does / Functions
•  Secures the drive belt tensioner or tension pulley mounting point
•  Helps maintain correct belt tensioner positioning
•  Supports correct accessory belt alignment
•  Helps prevent movement or loosening of the tensioner assembly
•  Maintains factory belt-drive hardware specification
•  Provides correct OE Porsche thread, length and head profile
•  Replaces a damaged, worn, corroded or previously removed bolt
•  Supports reliable operation of the drive belt system.

Why Replace This Part?
Drive belt tensioner bolts are exposed to engine vibration, heat cycles, installation torque and accessory-drive load. If the bolt is damaged, corroded, stretched, rounded or incorrectly reused, it may not clamp the tensioner assembly securely. Replacing it with a Genuine Porsche OE M8x60 bolt helps ensure the belt tensioner is mounted correctly and that the accessory belt system operates as intended. Some Porsche parts listings note that this type of tensioner mounting bolt may be included with tensioner components and should not be reused once removed.

When to Replace This Part
•   When replacing the drive belt tensioner
•   When replacing the tension pulley or tensioner damper
•   If the original bolt is rounded, damaged, corroded or missing
•   If the bolt has been removed during belt-drive service and Porsche procedure requires replacement
•   During accessory belt, idler pulley or tensioner overhaul
•   If the belt tensioner is loose or incorrectly secured
•   During engine repair where belt-drive hardware is removed
•   When restoring the engine with correct Genuine Porsche hardware.

Where It Fits on the Car
This bolt fits in the engine drive belt tensioner / V-belt system. It secures the tensioner, pulley mount or related bracket hardware depending on the specific Porsche engine and model application.

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

9A700803500
99907341101
9A700803500

The product you are viewing cross references to these numbers
9A700803500/1
Product Information
Product Information
Bolt - M8 x 60 - for the hydraulic drive belt tensioner. 
OE Match M8x60 bolt for the drive belt tensioner on Porsche 987.2, 981, 718 (982), 997.2, 991, 992, 971, 976, and 9YA models. This replacement fixing helps secure the drive belt tensioner assembly correctly during auxiliary belt service.
Sold individually

Fits:
Porsche 987-2 Boxster 2.9L 
Porsche 987-2 Boxster S 3.4L

Porsche 987-2 Cayman 2.9L
Porsche 987-2 Cayman S 3.4L 

Porsche 981 Boxster 2.7L 2012-16
Porsche 981 Boxster S 3.4L 2012-16
Porsche 981 Boxster Spyder 3.8L 2016

Porsche 981 Cayman 2.7L 2014-16
Porsche 981 Cayman S 3.4L 2014-16
Porsche 981 Cayman GT4 3.8L 2016

Porsche 718 (982) Boxster 2.0L 2017>>
Porsche 718 (982) Boxster S 2.5L 2017>>
Porsche 718 (982) Boxster Spyder / RS 4.0L 2019>>

Porsche 718 (982) Cayman 2.0L 2017>>
Porsche 718 (982) Cayman S 2.5L 2017>> 
Porsche 718 (982) Cayman GT4 / RS 4.0L 2019>> 

Porsche 997-2 Carrera 2009-12
Porsche 997-2 Turbo 2010-13 - (Excludes GT2 RS)

Porsche 991 Carrera 2012-19 
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS 2014-21

Porsche 992-1 Carrera 2019-24
Porsche 992-2 Carrera 2024>> - Excludes 3.2L Hybrid GTS Models
Porsche 992-1 Turbo 2020>> 
Porsche 992-1 GT3 / GT3 RS 2021>>

Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21

Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2024>>

Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>> 
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>> 

Diagram ref no 9

The bolt secures the drive belt tensioner to its mounting point, allowing the tensioner to maintain correct auxiliary belt tension and belt alignment. A correctly fitted tensioner bolt is important for reliable belt operation and accessory drive performance.

Functions
  Replaces the M8x60 drive belt tensioner bolt
  Secures the drive belt tensioner assembly
  Supports correct auxiliary belt tensioner mounting
  Helps maintain belt alignment and stable belt operation
  Used during drive belt, tensioner, pulley, or accessory drive service
  Replaces damaged, corroded, stretched, worn, or missing original bolts
  OE Match replacement fastening for Porsche belt drive repair.

Why Replace This Part?
Drive belt tensioner bolts are exposed to vibration, engine heat, belt load, and repeated service work. A worn, corroded, rounded, stretched, or damaged bolt may not provide correct clamping force and can compromise tensioner mounting. Replacing the bolt during tensioner or belt service helps ensure secure installation and reliable auxiliary drive operation.

When to Replace This Part
  The drive belt tensioner is being replaced
  The auxiliary drive belt is being serviced
  The original bolt is corroded, rounded, stretched, damaged, or missing
  The tensioner has been removed during engine service
  Belt noise, poor belt tracking, or tensioner movement is being investigated
  Preventative replacement is required during major service
  The vehicle is undergoing Porsche accessory belt drive repair.

Where it fits on the car
This bolt fits at the drive belt tensioner mounting point within the engine accessory belt drive system. Exact position can vary depending on model, engine type, and belt layout.

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

9A700803500
99907341101
9A700803500

The product you are viewing cross references to these numbers
Special Order item
PAF008362
Product Information
Product Information
Torx head screw M8 x 33-10.9 for belt tensioner

porsche

Fits:
Porsche 718 Boxster  GTS 4.0ltr - 
Porsche 718 Cayman GTS 4.0ltr- 
Porsche 718 GT4
Porsche 991.2 - 2005 to  to 2008
Porsche 992 
Porsche 992 turbo / GT3

Click 'Zoom in' for large parts diagram.
Diagram ref no 4



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

PAF008362
PAF008362
99907324609

The product you are viewing cross references to these numbers
Special Order item
0PB121031
Product Information
Product Information
Water Pump Pulley. 

Fits:
Porsche 982 Boxster (718) 4.0L GTS 2017>>
Porsche 982 Cayman (718) 4.0L GTS 2017>>
Porsche 982 Boxster Spyder RS 2019>>
Porsche 991 MKII Carrera 2017>>2019

Porsche 992 MKI Carrera 2019>>2024
Porsche 992 Turbo / S 2020>>
Porsche 992 GT3 / RS / ST 2021>>
Porsche Cayman GT4 / RS 2019>>

Porsche 992 MKII Carrera 2024>>
Cars With Option Codes:
0K0 - Without Alternative Drive System

Porsche 991 R / GT3 / RS 4.0L 2014>>2021
Cars With Engine Codes:
DGGA / DGGB / DNSA 

Diagram Ref No 5



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

0PB121031
0PB121031

The product you are viewing cross references to these numbers
DISPLAYING 17 to 29 (of 29 products)
1 2
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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