Comprehensive line includes parts to fit cars, vans, SUVs and light trucks, domestic and import (European and Asian) Manufactured using the same or improved technology and quality materials as the Original Equipment Manufacturer (OEM) part, assuring a factory match Patented labyrinth seal protects internal components to meet or exceed OE life expectancy requirements Patented vibration-damping system absorbs extreme vibration to improve tensioner, as well as belt and accessory, life Torsional round spring design provides reliability as well as consistent tension