This is a A-384346R91 Muffler PN: 384346R91Main Description As Following : A-384346R91 Muffler P.N: 384346R91 Vertical / Round Body - 5 1/2" Shell DiameterDim A (1): A: 3" INLET LENGTHDim B (2): B: 2 3/8" INLET I.D.Dim C (3): C: 17" SHELL LENGTHDim D (4): D: 14" OUTLET LENGTHDim E (5): E: 2 1/2" OUTLET O.D.Dim F (6): F: 34" OVERALL LENGTH Crossed From: AM384346R91 , , IH-13 STANLEY MUFFLER , 1717-3420 , , 384346R92 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH COMBINE: 615, Case-IH COMBINE: 715, Case-IH INDUSTRIAL/CONSTRUCTION: 2500, Case-IH INDUSTRIAL/CONSTRUCTION: 2656, Case-IH TRACTOR: 464, Case-IH TRACTOR: 574, Case-IH TRACTOR: 664, Case-IH TRACTOR: 674, Case-IH TRACTOR: 706 (W/ D-282 DIESEL ENGINE) Associated Items : A-CL212, A-RC3 Also A-IH-O-715ERLY, A-IH-P-2500TLB, A-IH-P-6562656, A-IH-S-ENG460ETC, A-IH-S-ENG6CYLG, A-IH-S-HYDROTRN, A-IH-S-656CHASIS, A-IH-O-BATTIGN, A-IH-O-464, A-IH-P-ENGD179, A-IH-P-ENG14CYL, A-IH-P-464, A-IH-S-ENGD155, A-IH-S-ENG157, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-385454, A-SMIH203, A-IH-O-BATTIGN, A-IH-O-454EARLY And : Vertical / Round Body - 5 1/2" Shell Diameter Dim A (1): A: 3" INLET LENGTH Dim B (2): B: 2 3/8" INLET I.D. Dim C (3): C: 17" SHELL LENGTH Dim D (4): D: 14" OUTLET LENGTH Dim E (5): E: 2 1/2" OUTLET O.D. Dim F (6): F: 34" OVERALL LENGTH