Part Numbers on part: 1 YEAR WARRANTY UNLIMITED MILES FOR ALL REMANUFACTURED HEADS DON'T SEE THE PART NUMBER YOU NEED OR THE PART PLEASE CALL US 219-866-4357 CUMMINS ISX ENGINE DPF CYLINDER HEAD REMANUFACTURED MAGNAFLUXED PRESSURE TEST LOW SHIPPING --> CLEANED MAGNAFLUXED PRESSURE TESTED RESURFACED HEAD Numbers on Item: 4101420 Please Note: Core Exchange IF YOURS IS DAMAGED PLEASE CALL US WE CAN WORK SOMETHING OUT!! Item#: 9904