Upper Idler Pulleys, Serpentine Belt and Accessory Drive Belt Tensioner (07-10 6.6L Duramax Silverado 3500 HD w/ Single Alternator)Find parts that fit my vehicle

Complete Serpentine Kit. The upper idler pulleys, serpentine belt, and accessory drive belt tensioner work together to ensure proper routing and tension of the serpentine belt in your vehicle’s engine. This kit provides all necessary components to maintain accessory drive function, preventing belt slippage and ensuring reliable operation of the alternator, water pump, and other driven accessories.

Construction and Appearance. The kit includes durable pulleys and a tensioner assembly engineered to meet or exceed OEM standards, finished with corrosion-resistant coatings to extend service life. The heavy duty serpentine belt is made from reinforced rubber compounds designed to withstand heat, friction, and wear under demanding operating conditions.

Installation. Designed for straightforward installation using common hand tools, this kit requires no drilling or major modifications, allowing for easy replacement by professional mechanics and experienced home technicians.

Warranty. Backed by a limited lifetime warranty against manufacturing defects.

Application. Specifically engineered for the 07-10 6.6L Duramax Silverado 3500 HD with a single alternator, ensuring precise fit and function without the need for alteration.

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