This is a A-534546R6 MUFFLER PN: 534546R6Main Description As Following : A-534546R6 MUFFLER P.N: 534546R6 Vertical / Oval Body - 5" x 11" Shell DimensionDim A (1): A: 12" INLET LENGTHDim B (2): B: 3 3/4" INLET I.D.Dim C (3): C: 23" SHELL LENGTHDim D (4): D: 8 3/4" OUTLET LENGTHDim E (5): E: 3 1/2" OUTLET O.D.Dim F (6): F: 44" OVERALL LENGTH Replaces: PM17704T JOHN DEERE , 17704T NELSON GLOBAL PRODUCTS , 534546R1 IH , Crossed From: AM534546R1 , , E534546 , , IH-26 STANLEY MUFFLER , 1717-3440 , , 1717-3441 , , 534546R5 CASE-IH Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 1066 (W/ DT-414 DIESEL ENGINE), Case-IH TRACTOR: 1466 (W/ DT-436 DIESEL ENGINE), Case-IH TRACTOR: 1566, Case-IH TRACTOR: 4366, Case-IH TRACTOR: 4386, Case-IH TRACTOR: 966 Associated Items : A-CL400, A-RC8 Also A-IH-O-BATTIGN, A-IH-O-1066, A-IH-O-766966, A-IH-P-ENG56CYL, A-IH-P-766966, A-IH-S-AIRHEAT, A-IH-S-ENG3400, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-766966, A-MW-P-TENDER, A-SMIH203, A-IH-O-BATTIGN, A-IH-O-766966, A-IH-P-ENG56CYL, A-IH-P-766966, A-IH-S-AIRHEAT, A-IH-S-ENG3400, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE And : Vertical / Oval Body - 5" x 11" Shell Dimension Dim A (1): A: 12" INLET LENGTH Dim B (2): B: 3 3/4" INLET I.D. Dim C (3): C: 23" SHELL LENGTH Dim D (4): D: 8 3/4" OUTLET LENGTH Dim E (5): E: 3 1/2" OUTLET O.D. Dim F (6): F: 44" OVERALL LENGTH