Pulley Bolt. Porsche 955 Cayenne 4.5L V8  ›  94810220201

Drive belt tensioner roller.

Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 (718) Boxster 2017>>
Porsche 981C Cayman 2012-16
Porsche 981C Cayman GT4 2016
Porsche 982C (718C) Cayman 2017>>
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-18
Porsche 991 Turbo / GT2 2014-18
Porsche 991 GT3 2014-18
Porsche 955 Cayenne S / Turbo 2003-06

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Diagram ref no 19

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9A110221200

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Drive belt tensioner roller.

Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 (718) Boxster 2017>>
Porsche 981C Cayman 2012-16
Porsche 981C Cayman GT4 2016
Porsche 982C (718C) Cayman 2017>>
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-18
Porsche 991 Turbo / GT2 2014-18
Porsche 991 GT3 2014-18
Porsche 955 Cayenne S / Turbo 2003-06

Click 'Zoom in' for large parts diagram.
Diagram ref no 19

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9A110221200

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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
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9A210222500

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