4.3l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. All parts are covered under applicable General Motors (GM) warranty policies. Cancellation Policy. We cannot take back installed or tried parts.
Genuine GM Drive Belt Tensioner 24575670
Genuine GM Drive Belt Idler Pulley 55500388
Genuine GM Drive Belt Tensioner 55569399
Genuine GM Drive Belt Tensioner 55562864
Genuine GM Drive Belt Tensioner 25191534
Genuine GM Drive Belt Idler Pulley 24581489
