This Dayco 89630 Accessory Drive Belt Tensioner Assembly replaces Motorcraft BT45, Gates 38330, ACDelco 38330, CARQUEST 38330, Duralast 305630, Ford F65E-6B209-BB, Ford F65Z-6B209-BB, Ford F75E-6B209-EA, Ford F75Z-6B209-EA, Goodyear 49348, NAPA 38330, OEM parts and is perfect for replacement or a performance upgrade. .