This is a A-R54785 Bushing, w/ O-ring, .020" OS PN: R54785Main Description As Following : A-R54785 Bushing, w/ O-ring, .020" OS P.N: R54785 Bushing, .020 O.S., w/O-ring. Use if case is marked on RH sideat shaft opening.bx122: New load control shaft bushing, .020 O.S., w/O-ringReference Number: 2 Found in Section & Models : Hitch & Drawbar Parts > Load Control Shaft Parts, John Deere TRACTOR: 4000 (SN 250001->), John Deere TRACTOR: 4020, John Deere TRACTOR: 4040, John Deere TRACTOR: 4230, John Deere TRACTOR: 4240, John Deere TRACTOR: 4320, John Deere TRACTOR: 4430, John Deere TRACTOR: 4440 Associated Items : New Also A-JD-O-OMR46934, A-JD-O-OMR48273, A-JD-P-PC1116, A-JD-S-TM1006, A-SMJD203, A-FRM-JD, A-JD-O-OMR34410, A-JD-O-OMR41754, A-JD-O-OMR46934, A-JD-O-OMR48273, A-JD-P-PC1116, A-JD-P-PC859, A-JD-S-SM2039, A-JD-S-TM1006, A-MW-OP-JD4010, A-MW-S-TURBO, A-SMJD203, A-JD-O-OMR65460, A-SMJD202, A-FRM-JD And : Bushing, .020 O.S., w/O-ring. Use if case is marked on RH sideat shaft opening. bx122: New load control shaft bushing, .020 O.S., w/O-ring Reference Number: 2