Kit Masters Part Number:

99133

99133

Convert to 2 Speed

    ApplicationEngine
    PeterbiltISC, ISL

    OEM Part #(s)

    05-25159-021,
    989133,
    98a9133,
    999133,
    99a9133

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    308
    Convert to 2 Speed