Pin, Center Steering Arm
CTPA-93358S Replacement Part to Fit:  John Deere "For Models: 1020, 1520, 1530, 2020, 2030, 2040, 2240, 2440, 2630, 2640, 820, 830" 5.230" long, 1.249" dia.  Price:  $31.50  Buyers Club Price:  $28.35