NTA855 Cummins Oil Suction Connection Gasket 157551 Parts Catalog Ref No. Part Name Part No. Required 　 Tube , Lubrication Oil Suction 3031962 1 　 Hexagon Head Cap Screw S112 2 　 Plain Washer S602 2 　 Lock Washer S604 2 　 Hexagon Head Cap Screw 108707 2 　 Oil Suction Connection Gasket 157551 1 　 Captive Washer Cap Screw …