Drive Belt Deflection Roller. Porsche 958 Cayenne / 970 Panamera V6 HYBRID  ❭  958903341

Drive Belt Deflection Roller.
The OE Match Drive Belt Deflection Roller is a premium-quality replacement auxiliary belt drive component designed to guide and support the serpentine drive belt on compatible Porsche engines. Manufactured to OE specifications for fit, performance and durability, this precision-engineered deflection roller maintains correct belt routing and alignment, helping to ensure the efficient operation of engine-driven accessories while reducing unnecessary belt wear.  

Fits:

• Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
• Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
• Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16  

Diagram Ref No 6

Manufactured from high-strength steel with a precision-machined pulley and premium sealed bearing, the deflection roller is engineered to withstand continuous high-speed rotation, engine vibration and demanding operating temperatures. Designed for direct OE-style installation, it integrates seamlessly with the original auxiliary drive system and works alongside the belt tensioner to provide smooth, reliable belt operation throughout the engine's operating range.

What This Product Does:  

• Guides the auxiliary drive belt along its correct path.
• Maintains accurate belt alignment.
• Supports smooth and efficient belt operation.
• Reduces unnecessary belt vibration.
• Minimises belt wear and slippage.
• Helps maximise the performance of engine-driven accessories.
• Restores factory auxiliary belt drive performance.
• Forms an essential part of the engine auxiliary belt system.

Symptoms Of Wear Or Failure:

• Squealing or chirping noises from the auxiliary belt.
• Grinding or rumbling sounds from the roller bearing.
• Excessive belt vibration.
• Uneven or accelerated drive belt wear.
• Belt tracking incorrectly across the pulleys.
• Seized or rough roller bearing.
• Visible pulley wear or damage.
• Belt slipping during engine operation.
• Premature failure of the auxiliary drive belt.
• Charging, cooling or air conditioning issues caused by belt misalignment.

Why Replacement Matters:

• The drive belt deflection roller operates continuously whenever the engine is running, supporting the auxiliary belt as it drives essential components such as the alternator, water pump, air conditioning compressor and power steering pump (where fitted). Over time, the internal bearing can wear due to constant rotation, heat and vibration, reducing the roller's ability to guide the belt correctly.
• A worn or seized deflection roller can cause excessive belt wear, misalignment and unwanted noise. In severe cases, bearing failure can cause the auxiliary belt to derail or break, resulting in the loss of critical engine-driven systems and potentially leading to engine overheating or battery charging failure.
• Replacing a worn or faulty drive belt deflection roller restores smooth belt operation, correct alignment and reliable performance of the auxiliary drive system. The OE Match replacement provides factory-style fitment, premium sealed bearings and durable construction, helping to extend belt life and maintain the reliability and performance expected from your Porsche.

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958903341

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