ISM11 Cummins Thrust Bearing 2868820 Parts Catalog Ref No. Part Name Part No. Required 　 Idler Gear 3084532 　 1 Idler Gear 3084447 1 2 Bushing 3026188 1 3 Idler Shaft 3026166 1 4 Gear Retainer 3026233 1 5 Thrust Bearing 2868820 2 6 Thrust Bearing Wear Plate 3088161 1 7 Hexagon Head Cap Screw 3088162 3 　 Idler Gear …