This is a A-530880R4 MUFFLER PN: 530880R4Main Description As Following : A-530880R4 MUFFLER P.N: 530880R4 Vertical / Oval Body - 5" x 11" Shell DimensionDim A (1): A: 14" INLET LENGTHDim B (2): B: 2 15/16" INLET I.D.Dim C (3): C: 23" SHELL LENGTHDim D (4): D: 5 1/4" OUTLET LENGTHDim E (5): E: 3" OUTLET O.D.Dim F (6): F: 42" OVERALL LENGTH Replaces: 11651T NELSON GLOBAL PRODUCTS , 530588R1 IH , Crossed From: IH-22 STANLEY MUFFLER , 530588R4 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 706 (W/ D-310 DIESEL ENGINE), Case-IH TRACTOR: 756 (W/ D-310 DIESEL ENGINE), Case-IH TRACTOR: 826 (W/ D-358 DIESEL ENGINE) Associated Items : A-CL300, A-RC4 Also A-FRM-IHOL, A-IH-C-MUSCLES, A-IH-O-BATTIGN, A-IH-O-706, A-IH-O-706EARLY, A-IH-P-RMDSLPUMP, A-IH-P-706, A-IH-S-CARBSPEC, A-IH-S-ELECDIA, A-IH-S-ENGD155, A-IH-S-ENG460ETC, A-IH-S-ENG6CYLG, A-IH-S-O6HTCHHYD, A-IH-S-PUMPD236, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-TUNEUP, A-IH-S-706756, A-MW-P-TENDER, A-SMIH32 And : Vertical / Oval Body - 5" x 11" Shell Dimension Dim A (1): A: 14" INLET LENGTH Dim B (2): B: 2 15/16" INLET I.D. Dim C (3): C: 23" SHELL LENGTH Dim D (4): D: 5 1/4" OUTLET LENGTH Dim E (5): E: 3" OUTLET O.D. Dim F (6): F: 42" OVERALL LENGTH