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 EGR CYLINDER HEAD REMANUFACTURED MAGNAFLUXED PRESSURE TEST LOW SHIPPING --> CLEANED MAGNAFLUXED PRESSURE TESTED RESURFACED HEAD Numbers on Item: 4101420 3412277 3412280 4101420 3682836 4059264 4926774 4962732 Please Note: Core Exchange IF YOURS IS DAMAGED PLEASE CALL US WE CAN WORK SOMETHING OUT!! Item#: 9903