3 0 2013 Cummins 386 Engine for a Peterbilt 386 Newly Listed Contact for price Cummins QSX15 Engine, S/N-79810168, CM2350 X106, CPL-3961, Rebuildable, Missing Parts. ConditionUsedCPL/ARR3961Engine ModelQSX15Fits To Make(s)PETERBILTFits To Model(s)386Stock Number4203-1 MLS Number13917206CategoryEngines Last Updated10/23/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info