Kit Masters Part Number:

99840

99840

Convert to 2 Speed

    ApplicationEngine
    PeterbiltISM

    OEM Part #(s)

    989840,
    98A9840,
    999840,
    99A9840,
    f17-6005-6022

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    845
    Convert to 2 Speed