One New Aftermarket Replacement Vertical Silencer Fits Leyland Tractor Models: 245, 253, 502 Fits Massey Ferguson Tractor Models: 133, 135, 135 Gas/135 Petrol, 140, 148, 152, 35, 35 Gas/35 Petrol, 35X, 550, FE35, TE20, TEA20, TED20, TEF20, TO35 Technical Information: Body Shape: Round Inlet: 2″ Length: 41 1/4″ Material: Steel Outlet: 2″ Type: Vertical Replaces Part Numbers: 894291M1, 894291R2, 894291M4, 894291M92, 894297M1, 894291M91, 894291M2, NTK228 Models this part fits: 135UK, 245, 253, 35UK, 502, Dexta, FE35, TEA20, TEF20, TO35 Reference Numbers: 894291M2, 894291M91, 894291M91-A, NTK228