Description 419-301 Dorman (TECHoice) Accessory Drive Belt Tensioner Assembly OE Rigorously tested for sustained, secure performance, the Dorman (TECHoice) Accessory Drive Belt Tensioner Assembly is designed to provide proper tension to a vehicle’s serpentine belt. It incorporates a damping design, torsion spring, and sealing system to ensure the proper functioning of many integral engine components. This tensioner assembly is recommended for replacement when replacing the serpentine belt. Quality tested for torque, spring-back, corrosion-resistance, and on-vehicle performance Solid steel or aluminum construction for long-lasting durability.

Highly resistant to heat and shock Designed to fit properly every time Limited lifetime warranty for peace of mind Specifications Belt Type: Serpentine Maximum Belt Width: 0.94 Inch Number Of Pulleys: 1 Pulley Diameter: 3.11 Inch Pulley Groove Count: 7 Pulley Material: Polyamide 6.6 With 30 Percent Glass Fiber Fill Pulley Width: 1.16 Inch Tensioner Rotation: Clockwise.