This is a A-K910539 Muffler PN: K910539Main Description As Following : A-K910539 Muffler P.N: K910539 Horizontal / Round Body - 4 1/4" Shell DiameterDim A (1): A: 4 1/2" INLET LENGTHDim B (2): B: 1 1/2" INLET I.D.Dim C (3): C: 14" SHELL LENGTHDim D (4): D: 8 1/2" OUTLET LENGTHDim E (5): E: 1 9/16" OUTLET O.D.Dim F (6): F: 27 1/2" OVERALL LENGTH Crossed From: DB-5 STANLEY MUFFLER , 1717-8603 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, David Brown TRACTOR: 1210 (W/ DIESEL ENGINE 1971-1980), David Brown TRACTOR: 1212 (W/ DIESEL ENGINE 1971-1976), David Brown TRACTOR: 885 (W/ DIESEL ENGINE 1971-1980), David Brown TRACTOR: 990 (W/ DIESEL ENGINE 1961-1978), David Brown TRACTOR: 995 (W/ DIESEL ENGINE 1971-1980), David Brown TRACTOR: 996 (W/ DIESEL ENGINE 1971-1976) Associated Items : A-CL112, A-RC0 Also A-CA-O-12101212, A-CA-P-885ETEC, A-CA-S-770TM, A-SMC203, A-CA-O-12101212, A-CA-P-885ETEC, A-CA-S-770TM, A-SMC203, A-SMC203, A-SMC203, A-SMC203 And : Horizontal / Round Body - 4 1/4" Shell Diameter Dim A (1): A: 4 1/2" INLET LENGTH Dim B (2): B: 1 1/2" INLET I.D. Dim C (3): C: 14" SHELL LENGTH Dim D (4): D: 8 1/2" OUTLET LENGTH Dim E (5): E: 1 9/16" OUTLET O.D. Dim F (6): F: 27 1/2" OVERALL LENGTH