This is a A-AT21795 Muffler (Horizontal) PN: AT21795Main Description As Following : A-AT21795 Muffler (Horizontal) P.N: AT21795 Dim A (1): INLET DIA: 2.015"Dim B (2): OUTLET DIA: 1.750"Dim C (3): LENGTH: 31.000"Dim D (4): BODY DIA: 4.625"Overall Length: 35.500" Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, John Deere BACKHOE: 401B, John Deere INDUSTRIAL/CONSTRUCTION: 300, John Deere INDUSTRIAL/CONSTRUCTION: 301, John Deere INDUSTRIAL/CONSTRUCTION: 301A, John Deere INDUSTRIAL/CONSTRUCTION: 302, John Deere INDUSTRIAL/CONSTRUCTION: 400, John Deere INDUSTRIAL/CONSTRUCTION: 401, John Deere TRACTOR: 1020, John Deere TRACTOR: 1120, John Deere TRACTOR: 1520, John Deere TRACTOR: 1530, John Deere TRACTOR: 1630, John Deere TRACTOR: 1830, John Deere TRACTOR: 2020, John Deere TRACTOR: 2030, John Deere TRACTOR: 2040 (SN: < 349999), John Deere TRACTOR: 2120, John Deere TRACTOR: 2140, John Deere TRACTOR: 2240 (SN: < 349999), John Deere TRACTOR: 2440 (SN: < 340999) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): INLET DIA: 2.015" Dim B (2): OUTLET DIA: 1.750" Dim C (3): LENGTH: 31.000" Dim D (4): BODY DIA: 4.625" Overall Length: 35.500"