Cummins ISM11/QSM11 Injector 4903319 Parts Catalogue Ref No. Part Name Part No. Required 1 Injector 4903319 6 2 O-Ring Seal 3070136 6 3 O-Ring Seal 3070137 6 4 O-Ring Seal 3070138 6 5 Wiring Harness Kit 3803682 6 Above is the introduction of the Cummins 4903319 Injector, while if you need any other Cummins spare parts or complete Cummins …