This is a A-AM30280 Muffler PN: AM30280Main Description As Following : A-AM30280 Muffler P.N: AM30280 Horizontal / Round Body - 4 1/4" Shell Diameter. FOR MODELS W/ 12 HP KOHLER 1 CYLINDER GAS ENGINEDim A (1): A: 3 1/4" INLET LENGTHDim B (2): B: 1" INLET I.D.Dim C (3): C: 5 1/2" SHELL LENGTHDim D (4): D: 1/2" OUTLET LENGTHDim E (5): E: 1" OUTLET O.D.Dim F (6): F: 9" OVERALL LENGTHReplaces: AM30049 Crossed From: AM30049 JOHN DEERE , DR-29 STANLEY MUFFLER Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, John Deere MOWER, RIDING: 110, John Deere MOWER, RIDING: 110H, John Deere MOWER, RIDING: 112, John Deere MOWER, RIDING: 112H Associated Items : New Also A-JD-O-OMM45039, A-JD-O-OMM45427, A-JD-S-SM2059, A-JD-S-SM2088, A-JD-S-SM2101, A-JD-O-OMM45039, A-JD-O-OMM45039, A-JD-O-OMM45427, A-JD-S-SM2059, A-JD-S-SM2088, A-JD-S-SM2096, A-JD-O-OMM45039 And : Horizontal / Round Body - 4 1/4" Shell Diameter. FOR MODELS W/ 12 HP KOHLER 1 CYLINDER GAS ENGINE Dim A (1): A: 3 1/4" INLET LENGTH Dim B (2): B: 1" INLET I.D. Dim C (3): C: 5 1/2" SHELL LENGTH Dim D (4): D: 1/2" OUTLET LENGTH Dim E (5): E: 1" OUTLET O.D. Dim F (6): F: 9" OVERALL LENGTH Replaces: AM30049