This Gates DriveAlign 38201 Drive Belt Tensioner Assembly replaces Dayco 305342, Dayco 89342, Dayco 89342FN, Dorman - TECHoice 419-035, Dorman - TECHoice 419-036, Dorman - TECHoice 419-037, BMW 11281427252, BMW 11281722789, BMW 11281735899, BMW 11281748832, BMW 11287838797, VAICO V20-0208, URO 11281427252, Tendeco 999141, Goodyear 49282, Dorman 419-036, Litens 999141A, Contitech Products ADK0023P, INA US FT30015, OEM parts and is perfect for replacement or a performance upgrade. .