6BTA5.9 Cummins Corrosion Resistor Head 204163 Parts Catalog Ref No. Part Name Part No. Required 　 Corrosion Resistor WF9018-01 　 1 Shut-Off Valve 179901 2 2 Plain Hose 179908 1 3 Corrosion Resistor Head 204163 1 4 Captive Washer Cap Screw 3010596 4 5 Corrosion Resistor 3100305 1 6 Elbow Hose Coupling 3352034 1 7 Filter Bracket 3354867 1 8 …