Pinion Shaft
CTPA-R45779 Replacement Part to Fit:  John Deere For Models: 4020, (4000, 4230, 4320 ALL SN <-15452), 4430 SN <-21269, 7520 FRONT AXLE ONLY, (570B, JD570 ALL IND), JD600, JD644 Replaces: R33431. 15 Tooth, 18 Spline, 9.390" Long  Price:  $169.05  Buyers Club Price:  $152.14