4 0 Cummins ISX Exhaust Assembly for a 2016 Peterbilt 579 Contact for price Cummins ISX Exhaust Assembly. Muffler stacks and shield included. brackets are optional. Call for more information, we ship anywhere., Serial#: other ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberPT-0756-43 MLS Number11842408CategoryExhaust Assemblies Last Updated7/14/2025 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info