This is a A-G45287 Muffler PN: G45287Main Description As Following : A-G45287 Muffler P.N: G45287 Horizontal / Round Body - 4 1/4" Shell DiameterDim A (1): A: 2 3/4" INLET LENGTHDim B (2): B: 2 1/8" INLET I.D.Dim C (3): C: 13 1/2" SHELL LENGTHDim D (4): D: 2 1/4" OUTLET LENGTHDim E (5): E: 2 1/4" OUTLET O.D.Dim F (6): F: 18 1/2" OVERALL LENGTH Crossed From: CA-6 STANLEY MUFFLER , 1717-1057 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 430 (W/ GAS ENGINE SN 8191148>, DIESEL SN <8262800), Case-IH TRACTOR: 530 (INDUSTRIAL), Case-IH TRACTOR: 530 (W/ GAS ENGINE SN 8191148>, DIESEL SN <8262800), Case-IH TRACTOR: 600 (W/ GAS OR DIESEL ENGINE - 1957-1958) Associated Items : A-CL214 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, A-CA-O-430530, A-CA-O-530, A-CA-P-430530-L, A-CA-P-430530E, A-CA-P-430530M, A-CA-S-CAS-O-MAT, A-FRM-ACCACO, A-SMC202, A-CA-P-600DANDLP, A-CA-S-CAS-O-MAT, A-CA-S-GT And : Horizontal / Round Body - 4 1/4" Shell Diameter Dim A (1): A: 2 3/4" INLET LENGTH Dim B (2): B: 2 1/8" INLET I.D. Dim C (3): C: 13 1/2" SHELL LENGTH Dim D (4): D: 2 1/4" OUTLET LENGTH Dim E (5): E: 2 1/4" OUTLET O.D. Dim F (6): F: 18 1/2" OVERALL LENGTH