ISX15 Cummins Air Intake Connection 3102119 Parts Catalog Ref No. Part Name Part No. Required Air Intake Connection 3102118 1 1 Air Intake Connection 3102119 1 Threaded Plug  3678921 2 2 O-Ring Seal 3678912 1 3 Threaded Plug 3678922 1 4 Connection Gasket 3102173 1 Above is the introduction of the 3102119 Cummins Air Intake Connection, while if you …