This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

HD Automatic Belt Tensioner 419-3830 Features:

• Fits select 2012 DAIMLER, 2003-2013 FREIGHTLINER, 2003-2007 MACK, 2003-2013 NAVISTAR, 2011 OSHKOSH, 2003-2013 PACCAR and 4 more makes applications
• Direct replacement — this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
• Ideal solution — engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
• Durable construction — designed and manufactured to strict specifications for reliable performance
• Trustworthy quality — backed by a team of product experts in the United States and more than a century of automotive experience