Belt Tensioning Device Assemblybelt Tensioning Device Assembly,Belt Tensioning Device Assembly For 4.5 Kw Transom Mounted Brushless Alternator Con Forming To Rdso Drg.No. Skel 3940 Sheeti & Ii, Alt.5 With Latest Modification As Per Rdso Letter No. E L/6.9.9 Dated 05.01.2017 [ Warranty Period: 30 Months After The Date Of Delivery ] ]