7 0 GMC 6.6L DURAMAX Belt Tensioner $30 USD Quality used ACDelco drive belt tensioner assembly with pulley backed by our standard warranty. Belt Type Serpentine, Color Black, Contact Surface V-Ribbed, Degree Range Of Adjustment... ConditionUsedStock Number30AT-094201-STK MLS Number13015457CategoryBelt Tensioners Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info