Parts list: № Number Qty Name Options 1 DD21539 1 Diesel Engine (Production Engine) NSEP (ORDER DD21737) 1 DD21737 1 Diesel Engine (Replacement Engine) 1 SE502156 1 Diesel Engine Reman (REMAN FOR DD21539 OR DD21737) Next page: ST412005 9901 Crankshaft Bearing Kit ST445788 9901 Connecting Rod Bearing Kit ST617751 9901 Engine Overhaul Kit ST625882 9901 Thrust Bearing Kit ST625975 9901 Thrust Bearing Kit ST379915 9901 Connecting Rod Bearing Kit ST37757 9901 Piston Ring Kit ST34883 9901 Thrust Bearing Kit ST141948 8907 Exhaust Gas Recirculation ST914898 9901 Engine Coolant Pump Kit