This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular G.M./Isuzu/Hummer tensioner. This "O.E. Exact"

Product Features:

• Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
• Internal "round spring" technology to provide constant belt tension and alignment throughout its service life.
• Installation instructions included.
• Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
• Professional Mechanics will change this tensioner in approx. 20 minutes to 1 Hour.
• Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs