Brake Disc
CTPA-RE43390 Replacement Part to Fit:  John Deere For Models: 2440 SN 341000->, 2630, 2640 SN <-340999, 2640 SN 341000-> Replaces: AR65718. 11 internal splines, 12.000" OD  Price:  $102.07  Buyers Club Price:  $91.86