This is a A-RE156640 Sensor, Oil Restriction PN: RE156640Main Description As Following : A-RE156640 Sensor, Oil Restriction PN: RE156640 Found in Section & Models : Engine Parts > Engine Related Parts, John Deere TRACTOR: 4050, John Deere TRACTOR: 4055, John Deere TRACTOR: 4250, John Deere TRACTOR: 4255, John Deere TRACTOR: 4450, John Deere TRACTOR: 4455, John Deere TRACTOR: 4555, John Deere TRACTOR: 4560, John Deere TRACTOR: 4650, John Deere TRACTOR: 4755, John Deere TRACTOR: 4760, John Deere TRACTOR: 4850, John Deere TRACTOR: 4955, John Deere TRACTOR: 4960, John Deere TRACTOR: 8450, John Deere TRACTOR: 8650, John Deere TRACTOR: 8850 Associated Items : New Also A-JD-O-OMRW16854, A-JD-O-OMRW16854 And : High Quality Afternaket Shipped from Both US and Canada