This is a A-DZ110621 Nox Chemical Sensor PN: DZ110621Main Description As Following : A-DZ110621 Nox Chemical Sensor PN: DZ110621 Found in Section & Models : Engine Parts > Engine Related Parts, John Deere BACKHOE: 310L, John Deere BACKHOE: 310SL, John Deere BACKHOE: 315SL, John Deere BACKHOE: 410L, John Deere COMBINE: T550, John Deere COMBINE: W540, John Deere COMBINE: W550, John Deere COMBINE: W650, John Deere DOZER: 1050K, John Deere ENGINE: 4045, John Deere ENGINE: 6090 (9.0L), John Deere EXCAVATOR: 160DLC, John Deere EXCAVATOR: 160LC, John Deere EXCAVATOR: 180GLC, John Deere EXCAVATOR: 210GLC, John Deere EXCAVATOR: 250GLC, John Deere EXCAVATOR: 300GLC, John Deere EXCAVATOR: 350GLC, John Deere EXCAVATOR: 380GLC, John Deere FORWARDER: 910G Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada