This Gates DriveAlign 39052 Drive Belt Tensioner Assembly replaces Motorcraft BT-91, Dayco 305629, Dayco 89629, Dorman - TECHoice 419-353, Ford 7C3Z 6B209 B, Tendeco 999826, Goodyear 49419, Litens 999826A, OEM parts and is perfect for replacement or a performance upgrade. .
