This is a A-RE522542 Injector PN: RE522542Main Description As Following : A-RE522542 Injector PN: RE522542 Found in Section & Models : Engine Parts > Injectors, John Deere ENGINE: 4.5L, John Deere ENGINE: 4045 Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada