Features:Function: The serpentine belt can transmit power to the engine accessories, and the tensioner can provide the necessary belt tension for the system, control vibration, reduce noise, and prolong the belt service life. The idler pulley can help enhance drivetrain stability.High performance: The belt tensioner is manufactured from quality materials for durability and long life, providing just the right amount of fastening force and tension control for stable and efficient system operation.Direct replacement: This belt tensioner is designed to match the fit and function of the original tensioner on specified applications.Specification:Condition: Brand NewProduct Type: Belt TensionerMaterial: High-quality Metal & RubberOE / OEM Part Number: LR071035,.