This is a A-AL28922 Seal, Oil Pump Drive Shaft PN: AL28922Main Description As Following : A-AL28922 Seal, Oil Pump Drive Shaft P.N: AL28922 Outside Diameter: 1.770"Shaft Diameter: 1.259"Type: Single LipWidth: .354" Found in Section & Models : PTO Parts > PTO and Related Parts, John Deere TRACTOR: 1040, John Deere TRACTOR: 1040V, John Deere TRACTOR: 1140, John Deere TRACTOR: 1140V, John Deere TRACTOR: 1350, John Deere TRACTOR: 1550, John Deere TRACTOR: 1640, John Deere TRACTOR: 1750, John Deere TRACTOR: 1750V, John Deere TRACTOR: 1840, John Deere TRACTOR: 1840F, John Deere TRACTOR: 1850, John Deere TRACTOR: 1850V, John Deere TRACTOR: 1950, John Deere TRACTOR: 1950N, John Deere TRACTOR: 2040, John Deere TRACTOR: 2040 (SN 350000>), John Deere TRACTOR: 2040S, John Deere TRACTOR: 2140, John Deere TRACTOR: 2150 Associated Items : New Also A-JD-O-OMR71859, A-JD-O-OMR71859, A-JD-O-OMR71859, A-SMJD202, A-JD-P-PC1539, A-JD-S-TM1142, A-SMJD58, A-SMJD58, A-JD-O-OMR71859, A-SMJD202, A-SMJD58, A-SMJD58, A-SMJD58, A-SMJD58, A-JD-O-OMR62127, A-JD-O-OMR70798, A-JD-S-TM1142, A-SMJD202, A-SMJD58, A-SMJD58 And : Outside Diameter: 1.770" Shaft Diameter: 1.259" Type: Single Lip Width: .354"