Kit Masters Part Number:

99508

99508

Convert to 2 Speed

    ApplicationEngine
    KenworthISL
    PeterbiltISC, ISL

    OEM Part #(s)

    989508,
    999508,
    F17-6005-7011

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    1486
    Convert to 2 Speed