NTA855 Cummins Idler Pulley 3064919 Parts Catalog Ref No. Part Name Part No. Required 1 Hexagon Head Cap Screw 182706 1 2 V Ribbed Belt 217638 1 3 Captive Washer Cap Screw 3012468 4 4 Captive Washer Cap Screw 3012469 2 5 Water Pump 3255929 1 Idler Pulley 3064919 1 6 Heavy Hexagon Nut S201 1 7 Pipe Plug …