Shield
CTPA-4020KR Replacement Part to Fit:  John Deere For Models: (2510, 2520, 3010, 3020, 4000, 4010, 4020, 4320 ALL USED ON EITHER A-AR50962 / A-AR50963 KNEES)  Price:  $9.73  Buyers Club Price:  $8.76