Genuine ACDelco For GMC Sierra 3500 2002-2006 Drive Belt Tensioner | Plastic

Product Info: - Part: Drive Belt Tensioner - Material: Plastic - Housing Material: Aluminum - Belt Type: Serpentine - Color: Black - Mounting Hole Quantity: 1 - Pulley Quantity: 1 - Flanged: No - Outside Diameter: 28.87 millimeters / 72.