Drive belt idler pulley deflection roller. Porsche 955 / 957 / 958 Cayenne  ❭  95510227600

Drive belt idler pulley deflection roller with bolt and protective cap.
Genuine Porsche original equipment (OE) idler pulley is also referred to as an accessory drive belt deflection roller or relay roller. This pulley plays a key role in guiding and maintaining proper tension on the serpentine belt that drives essential engine accessories such as the alternator, power steering pump, air conditioning compressor, and water pump.

Fits:
Porsche 955 Cayenne 3.2L 2004>> (M02.2Y)

Porsche 957 Cayenne 3.6L 2007 - 2010 (Engine code: 5501)
M >> 638 08942
M 63A 03027 >>
M 63A 05020 >>

Porsche 958 Cayenne 3.6L 2010 - 18 (Engine code: 5502, CEYA)
M >> B 06770
M >> B 06811

Diagram ref no 7

This idler pulley provides a smooth, correctly aligned surface for the accessory drive belt (serpentine belt) to run over, ensuring proper routing and tension as it drives vital systems such as the alternator, air conditioning compressor, power steering pump, and water pump (as fitted). It keeps belt motion steady and prevents slipping, vibration, or premature wear in the belt system.

• Supports accessory belt routing and alignment
• Maintains belt tension and deflection control
• Reduces belt noise and wear
• Promotes reliable drive of auxiliary engine systems 

Replace this idler pulley if you notice:
•  Squealing or chirping from the front accessory belt area
•  Belt wear or fraying
•  Vibration or noise from the pulley bearing
•  During belt system maintenance or tensioner replacement

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95510227600

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