This is a A-G45264 Muffler PN: G45264Main Description As Following : A-G45264 Muffler P.N: G45264 Vertical / Round Body - 4 1/4" Shell DiameterDim A (1): A: 4 1/4" INLET LENGTHDim B (2): B: 2 1/2" INLET I.D.Dim C (3): C: 17" SHELL LENGTHDim D (4): D: 4 3/4" OUTLET LENGTHDim E (5): E: 2 1/2" OUTLET O.D.Dim F (6): F: 26" OVERALL LENGTH Crossed From: CA-5 STANLEY MUFFLER , EA45264 , , 1717-1056 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 430 (W/ DIESEL ENGINE SN <8262800 - 1960-1966), Case-IH TRACTOR: 431 (INDUSTRIAL) Associated Items : A-CL212, A-RC3 Also A-CA-O-430, A-CA-O-430530, A-CA-P-430, A-CA-P-430530-L, A-CA-P-430530E, A-CA-P-430530M, A-CA-S-CAS-O-MAT, A-FRM-ACCACO, A-SMC202 And : Vertical / Round Body - 4 1/4" Shell Diameter Dim A (1): A: 4 1/4" INLET LENGTH Dim B (2): B: 2 1/2" INLET I.D. Dim C (3): C: 17" SHELL LENGTH Dim D (4): D: 4 3/4" OUTLET LENGTH Dim E (5): E: 2 1/2" OUTLET O.D. Dim F (6): F: 26" OVERALL LENGTH