This is a A-700181866 Guard, Rock, Narrow PN: 700181866Main Description As Following : A-700181866 Guard, Rock, Narrow PN: 700181866 Found in Section & Models : Hay Tool Parts > Disc Mower Parts, Agco ROTARY HEADER: 9190, Agco ROTARY HEADER: 9192, Challenger MOWER CONDITIONER: 1363, Challenger MOWER CONDITIONER: 1366, Challenger MOWER CONDITIONER: 1383, Challenger MOWER CONDITIONER: 1386, Challenger ROTARY HEADER: DKHD, Challenger ROTARY HEADER: DKHDT, Challenger ROTARY HEADER: DKHE, Challenger ROTARY HEADER: DKHET, Challenger ROTARY HEADER: 9195, Challenger ROTARY HEADER: 9196, Challenger ROTARY HEADER: 9283, Challenger ROTARY HEADER: 9286, Challenger ROTARY HEADER: 9295, Challenger ROTARY HEADER: 9296, Massey Ferguson AUGER HEADER: 9186, Massey Ferguson AUGER HEADER: 9286, Massey Ferguson MOWER CONDITIONER: 1363, Massey Ferguson MOWER CONDITIONER: 1366 Associated Items : New Also This is An Aftermarket Product And : Replaces: 700166083, 700178883 Width: 18.25"