Caterpillar C-15 Out of Frame OH Gasket Kit Part Number CTPC15003A Machine Model/Application: Truck Engine Engine S/N: 6NZ1-37112 6NZ1340-37112 6NZ20517-37112 6NZ18282-37112 6NZ1-21695 6NZ1-17363 6NZ17363-37112 6NZ17363-27285 ***Turbocharged, Single Cylinder Head*** IF YOU CAN'T FIND WHAT YOU ARE LOOKING FOR, PLEASE CONTACT US. PRICE AND PART NUMBERS ARE USED FOR REFERENCE PURPOSES ONLY.