This is a A-1683796M3 Muffler PN: 1683796M3Main Description As Following : A-1683796M3 Muffler P.N: 1683796M3 Dim A (1): A: 50 5/8" OVERALL LENGTHDim B (2): B: 26 1/2" OUTLET LENGTHDim C (3): C: 6 1/2" INLET LENGTHDim D (4): D: 1 5/8" OUTLET O.D.Dim E (5): E: 3 3/4" SHELL O.D.Dim F (6): F: 2 1/8" INLET O.D.Dim G (7): G: 17 1/2" SHELL LENGTHReplaces: 1683796M1, 1661930M1, 1683796M2, 1688171M6, 1680260M2 Replaces: VPE8012 VAPORMATIC , A-1661930M1 MASSEY FERGUSON , A-1680260M2 MASSEY FERGUSON , A-1683796M1 MASSEY FERGUSON , A-1683796M2 MASSEY FERGUSON , Crossed From: 1217-5408 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20B, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20E, Massey Ferguson TRACTOR: 342, Massey Ferguson TRACTOR: 352, Massey Ferguson TRACTOR: 372, Massey Ferguson TRACTOR: 550 UK (SN 620661>) Associated Items : New Also A-MH-S-ENGA4236 And : Dim A (1): A: 50 5/8" OVERALL LENGTH Dim B (2): B: 26 1/2" OUTLET LENGTH Dim C (3): C: 6 1/2" INLET LENGTH Dim D (4): D: 1 5/8" OUTLET O.D. Dim E (5): E: 3 3/4" SHELL O.D. Dim F (6): F: 2 1/8" INLET O.D. Dim G (7): G: 17 1/2" SHELL LENGTH Replaces: 1683796M1, 1661930M1, 1683796M2, 1688171M6, 1680260M2