Kit Masters Part Number:

99590

99590

Convert to 2 Speed

    ApplicationEngine
    KenworthMX13
    PeterbiltMX13

    OEM Part #(s)

    79A9590,
    98A9590,
    99590,
    99A9590

    Rebuild Kit

    Use Kit: 14-50014-500

    Warranty

    2 year/200,000 mile

    1916
    Convert to 2 Speed