This is a A-3109793R91 MUFFLER PN: 3109793R91Main Description As Following : A-3109793R91 MUFFLER P.N: 3109793R91 Vertical / Round Body - 4 1/4" Shell DiameterDim A (1): A: 6 3/4" INLET LENGTHDim B (2): B: 2" INLET I.D.Dim C (3): C: 20" SHELL LENGTHDim D (4): D: 7" OUTLET LENGTHDim E (5): E: 2" OUTLET O.D.Dim F (6): F: 34" OVERALL LENGTH Replaces: B513012 IH , VPE8036 VAPORMATIC , 3109792R1 IH , 3109792R92 VAPORMATIC , 3109793R92 CASE , 3109794R92 CASE , 704616R96 CASE , 707713R92 CASE , 751779R92 CASE , Crossed From: E704616 , , IH-7 STANLEY MUFFLER , 1717-3451 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: B275 (W/ BD-144 DIESEL ENGINE), Case-IH TRACTOR: B414 (W/ BD-144 DIESEL ENGINE) Associated Items : A-CL200, A-RC2 Also A-IH-O-B275GD, A-IH-P-B275DSL, A-IH-S-B275D, A-IH-S-TOOLSLATE, A-SMIH201, A-IH-O-B414, A-IH-P-B414, A-SMIH201 And : Vertical / Round Body - 4 1/4" Shell Diameter Dim A (1): A: 6 3/4" INLET LENGTH Dim B (2): B: 2" INLET I.D. Dim C (3): C: 20" SHELL LENGTH Dim D (4): D: 7" OUTLET LENGTH Dim E (5): E: 2" OUTLET O.D. Dim F (6): F: 34" OVERALL LENGTH