This is a A-FH318319 Guard, Knife PN: FH318319Main Description As Following : A-FH318319 Guard, Knife PN: FH318319 Found in Section & Models : Headers/Platforms/Feeder House > Grain Head Parts, John Deere HEAD, CUTTING PLATFORM: 140A, John Deere HEAD, CUTTING PLATFORM: 160A, John Deere HEAD, CUTTING PLATFORM: 180A, John Deere HEAD, CUTTING PLATFORM: 415D, John Deere HEAD, CUTTING PLATFORM: 420D, John Deere HEAD, CUTTING PLATFORM: 425D, John Deere HEAD, CUTTING PLATFORM: 430D, John Deere HEAD, CUTTING PLATFORM: 435D, John Deere HEAD, CUTTING PLATFORM: 440D, Sickles > Guards, John Deere HEAD, CUTTING PLATFORM: 140A, John Deere HEAD, CUTTING PLATFORM: 160A, John Deere HEAD, CUTTING PLATFORM: 180A, John Deere HEAD, CUTTING PLATFORM: 415D, John Deere HEAD, CUTTING PLATFORM: 420D, John Deere HEAD, CUTTING PLATFORM: 425D, John Deere HEAD, CUTTING PLATFORM: 430D, John Deere HEAD, CUTTING PLATFORM: 435D, John Deere HEAD, CUTTING PLATFORM: 440D Associated Items : New Also This is An Aftermarket Product And : Bolt Size: .484" Length: 6.055" Center Hole To End Spacing: 3.000" - Hole Spacing