Radiator
CTPA-AL115732 Replacement Part to Fit:  John Deere For Models: 6300, 6300L, 6400, 6400L, 6500L CORE SIZE: 20.5" WIDE, 20.375" HIGH, 4 ROW OF TUBES, 8 FINS PER INCH  Price:  $649.95  Buyers Club Price:  $584.95