Cummins Inc supplies genuine parts for various engines such as L-10, M-11, N-14, NT, ISX, ISM, QSX, 6-BT and 6- CT. Cummins Automotive Services and Parts also supplies genuine ReCon® parts for trucks and buses. ReCon® products are not just repaired or rebuilt; they are remanufactured to Technical Specification (TS) in ISO-certified factories.