4 0 Cummins ISX Exhaust Stack $350 USD USED CUMMINS ISX / QSX EXHAUST BELLOW, 3686752. REFERENCE P/N: 3682553, 4089165, 701371AT. ***The Cummins Bellow 3686752 is used primarily on EPA13 15 liter ISX/QSX engines.*** ConditionUsedStock Number98805 MLS Number13374616CategoryExhaust Stacks Last Updated1/31/2025 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info