DAYCO 89259 AUTOMATIC SERPENTINE BELT TENSIONER FOR 2002-2016 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE

The Dayco 89259 Automatic Serpentine Belt Tensioner is engineered to provide optimal performance and reliability for a range of GM vehicles, including the robust 2500HD and 3500HD with the Duramax 6.6L engine, as well as the GM Express and Savana models. Designed for specific model years from 2002 to 2016, this automatic tensioner is the ideal solution for maintaining the correct belt tension, ensuring your vehicle operates smoothly and efficiently.

This automatic tensioner boasts a clockwise rotation and is specifically designed for serpentine belt systems. With its single pulley configuration, it features a diameter of 76mm and offers six grooves for optimal belt fitment and performance. The robust pulley width of 30.1mm allows for greater durability and strength, making it a perfect match for the heavy-duty demands placed on these engines.

The Dayco 89259 is compatible with a variety of Chevrolet and GMC models, including the Sierra, Silverado, and Kodiak series, as well as Hummer H1 vehicles. By choosing this tensioner, vehicle owners can rest assured knowing they are investing in a reliable and durable part that enhances the longevity of their engine systems.

Installation is hassle-free, making it an excellent choice for both professional mechanics and DIY enthusiasts. By maintaining proper belt tension with the Dayco 89259, drivers can improve engine performance and reduce maintenance issues associated with serpentine belts. Upgrade your vehicle’s efficiency and reliability with this premium automatic serpentine belt tensioner, built to withstand the toughest conditions and provide the reliability drivers have come to expect from Dayco.