Gates 04-09 Audi S4 V-8 4.2L Serpentine Standard V-Ribbed Belt

When it's time to replace the serpentine belt on your 2004-2009 Audi S4 with the 4.2L V-8 engine, you want a part you can trust. This Gates V-Ribbed belt is built to keep your engine's accessories running in sync, from the alternator to the power steering pump.

Gates is a well-known name in belts, and this standard V-ribbed belt is made to meet the demands of your S4's accessory drive. It's constructed to handle the constant flexing and tension required to turn all the components driven by the crankshaft. A worn-out belt can lead to issues like a dead battery if the alternator stops charging, or loss of power steering assist, so keeping it in good shape is important for reliable driving.

This belt is designed as a direct replacement, meaning it fits right onto your existing pulleys without any modifications. It's a solid option for getting your S4 back to proper working order.