Radiator
CTPA-AL37566 Replacement Part to Fit:  John Deere For Models: 2940, 2950, 3040, 3140, 3141, 3641 core size: 18.500" wide, 24.312" high, 4 rows of tubes, 10 fins per inch  Price:  $363.86  Buyers Club Price:  $327.47