Belt Drive Tensioner Assembly. Accessory Drive Belt Tensioner Assembly. 305655, 39221, 4135, 49489, 780197, 89655, 999461, ALT04527, ALT09324, BR3Z6B209E, BT-118. Part Numbers. Part Number. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
