Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt salt and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning automatic belt tensioning and idler pulleys. Additional hardware included with most idler pulleys to make installation easier. Original Equipment (OE) Exact - Looks and fits just like the OE Bearing meets or exceeds OE specifications and is designed for application-specific speed and load requirements Steel or thermoplastic construction provides high durability for extended life Industry s best light-duty coverage and consistently first to market for late model application coverage Vibration damping system extends life of tensioner and other accessory components Reliable operation under severe conditions Gates - Driven By Possibility