10 0 Cummins ISX EGR Valve for a 2015 Peterbilt 579 $125 USD Good Used Cummins ISX15 Diesel Engine EGR Valve Sensor Casting number is 3685948. Serial numbre is 79768960. Please see pictures. For further information feel free to call or email us, We... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Part Number200193-14Stock Number200193-14 MLS Number10440075CategoryEGR Valves Last Updated7/24/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info