Radiator
CTPA-RE66029 Replacement Part to Fit:  John Deere For Models: 5200, 5300, 5300N, 5400, 5400N Brass & Copper construction, not plastic & aluminum. core size: 19.562" wide, 15.750" high, 4 rows of tubes, 8 fins per inch  Price:  $330.34  Buyers Club Price:  $297.31