View 3 Photos View 0 Videos Cummins ISX15 Muffler for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, MUFFLER- Side: Passenger Right Side, Engine: Cummins X15, Material: Steel, Dimensions: Height=111", Reference images for condition, For more information about... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Stock NumberP-498096 MLS Number14158082CategoryMufflers Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info