This is a A-A59765-O Muffler PN: A59765-OMain Description As Following : A-A59765-O Muffler P.N: A59765-O Vertical / Oval Body - 6" x 10" Shell DimensionDim A (1): A: 5" Inlet LengthDim B (2): B: 2 3/4" Inlet IDDim C (3): C: 32 1/2" Shell LengthDim D (4): D: 6 1/2" Outlet LengthDim E (5): E: 2 3/4" Outlet OD.Dim F (6): F: 44" Overall Length Crossed From: CA-16-1 STANLEY MUFFLER Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 1070 (W/ GAS OR DIESEL ENGINE - 1970>), Case-IH TRACTOR: 970 (W/ GAS OR DIESEL ENGINE - 1970>) Associated Items : A-CL234, A-RC7 Also A-CA-O-1070L, A-CA-P-1070, A-CA-S-970TM, A-CA-S-9701070, A-SMC203, A-CA-O-970, A-CA-P-970, A-CA-P-970L, A-CA-S-970TM, A-CA-S-9701070, A-SMC203 And : Dim A (1): A: 5" Inlet Length Dim B (2): B: 2 3/4" Inlet ID Dim C (3): C: 32 1/2" Shell Length Dim D (4): D: 6 1/2" Outlet Length Dim E (5): E: 2 3/4" Outlet OD. Dim F (6): F: 44" Overall Length