This is a A-4222149M91 Valve, Intake, 30? PN: 4222149M91Main Description As Following : A-4222149M91 Valve, Intake; 30??? P.N: 4222149M91 Head Diameter: 1.693"Replaces: 3142L081Stem Diameter: .352"Total Length: 4.837" Found in Section & Models : Engine Parts > Engine Related Parts, Massey Ferguson TRACTOR: 4225, Massey Ferguson TRACTOR: 4235, Massey Ferguson TRACTOR: 4240, Massey Ferguson TRACTOR: 4243, Massey Ferguson TRACTOR: 4245, Massey Ferguson TRACTOR: 4253, Massey Ferguson TRACTOR: 4255, Massey Ferguson TRACTOR: 4263, Massey Ferguson TRACTOR: 4265, Massey Ferguson TRACTOR: 4325, Massey Ferguson TRACTOR: 4335, Massey Ferguson TRACTOR: 4345, Massey Ferguson TRACTOR: 4355, Massey Ferguson TRACTOR: 4365, Massey Ferguson TRACTOR: 491, Massey Ferguson TRACTOR: 5465, Massey Ferguson TRACTOR: 6235, Massey Ferguson TRACTOR: 6245, Massey Ferguson TRACTOR: 6255, Massey Ferguson TRACTOR: 6265 Associated Items : New Also A-MH-S-MF3050, A-MH-S-MF3050, A-MH-O-MF350SER, A-MH-S-ENGA6354 And : Head Diameter: 1.693" Replaces: 3142L081 Stem Diameter: .352" Total Length: 4.837"