Oil Filter Element
CTPA-AR26350 Replacement Part to Fit:  John Deere "For Models: (3010, 3020, 4000, 4010, 4020 ALL W/ Gas & Diesel Engines), 4230 W/ Gas Engines, 520, 530, 60, 620, 630, 70, 720, 730, A, B, G, R" O-RINGS NOT INCLUDED  Price:  $4.28  Buyers Club Price:  $3.85