20 0 Paccar MX-13 Heater Core $750 USD Good core Cylinder Head Paccar MX13. The cylinder head core has been visually inspected . head valves 3 are cracked and the other ones are in good condition. Please refer to photos provided... ConditionUsedPart NumberP-100961Stock NumberP-100961 MLS Number13114775CategoryHeater Cores Last Updated7/29/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info