This is a A-A20494 Muffler PN: A20494Main Description As Following : A-A20494 Muffler P.N: A20494 Vertical / Round Body - 4 1/4" Shell DiameterDim A (1): A: 3" INLET LENGTHDim B (2): B: 2 1/4" INLET I.D.Dim C (3): C: 17" SHELL LENGTHDim D (4): D: 6" OUTLET LENGTHDim E (5): E: 2 1/4" OUTLET O.D.Dim F (6): F: 26" OVERALL LENGTH Replaces: PM06375T JOHN DEERE , 06375T NELSON GLOBAL PRODUCTS , Crossed From: EA20494 , , 1717-0050 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: C (W/ GAS ENGINE <1954), Case-IH TRACTOR: DC (W/ GAS ENGINE <1954), Case-IH TRACTOR: 400 FARMALL (GAS & DIESEL - 1955-1957), Case-IH TRACTOR: 700 (GAS & DIESEL - 1958-1959), Case-IH TRACTOR: 800 (GAS & DIESEL - 1958-1959) Associated Items : A-CL214, A-RC5 Also A-CA-O-C, A-CA-P-CC, A-CA-P-MAG, A-CA-S-MAGNETO, A-CA-S-TOOLS, A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-C, A-IH-O-C1952, A-IH-P-ACCESSORY, A-IH-P-C, A-IH-P-IMPCSUPC, A-IH-S-CARBSPEC, A-IH-S-ENGGASE, A-IH-S-TOUCHCTL, A-IH-S-TUNEUP, A-MAG-S-317, A-SMC201 And : Dim A (1): A: 3" INLET LENGTH Dim B (2): B: 2 1/4" INLET I.D. Dim C (3): C: 17" SHELL LENGTH Dim D (4): D: 6" OUTLET LENGTH Dim E (5): E: 2 1/4" OUTLET O.D. Dim F (6): F: 26" OVERALL LENGTH