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Drive belt tensioner. Porsche 958 Cayenne / 970 Panamera - 94810226121
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.

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94810226121
94810226121

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