This Gates DriveAlign 38340 Drive Belt Tensioner Assembly replaces Dayco 305379, Dayco 89379, Dayco 89379FN, Dorman - TECHoice 419-319, Datsun/Nissan 119557S000, Datsun/Nissan 119557S00A, Datsun/Nissan 119557S100, Tendeco 999710, Goodyear 49359, Dorman 419-319, Litens 999710A, INA US FT40224, OEM parts and is perfect for replacement or a performance upgrade. .