3 0 2020 Peterbilt 389 Exhaust Assembly $55 USD Exhaust bracket pulled from a 2020 Peterbilt 389 run for only 64K miles, non-wrecked. Bracket is in good used condition, see pictures. OEM P/N M11-6479 REV A ConditionUsedFits To Make(s)PETERBILTFits To Model(s)389Stock Number6246 MLS Number12301935CategoryExhaust Assemblies Last Updated4/29/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info