Kit Masters Part Number:

99171

99171

Convert to 2 Speed

    ApplicationEngine
    KenworthISM

    OEM Part #(s)

    989171,
    999171,
    f17-1000-211

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    338
    Convert to 2 Speed