This is a A-A39561 Muffler PN: A39561Main Description As Following : A-A39561 Muffler P.N: A39561 Vertical / Oval Body - 4 1/2" X 9" Shell Dimension.Dim A (1): A: 5 1/2" INLET LENGTHDim B (2): B: 2 1/2" INLET I.D.Dim C (3): C: 19" SHELL LENGTHDim D (4): D: 8 1/2" OUTLET LENGTHDim E (5): E: 2" OUTLET O.D.Dim F (6): F: 33" OVERALL LENGTH Replaces: 11669T NELSON GLOBAL PRODUCTS , Crossed From: CA-18 STANLEY MUFFLER , EA39561 , , 1717-0067 , , 1717-1204 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH INDUSTRIAL/CONSTRUCTION: DH4, Case-IH INDUSTRIAL/CONSTRUCTION: DH5, Case-IH INDUSTRIAL/CONSTRUCTION: DH7, Case-IH INDUSTRIAL/CONSTRUCTION: 480B, Case-IH INDUSTRIAL/CONSTRUCTION: 480C, Case-IH INDUSTRIAL/CONSTRUCTION: 480D, Case-IH INDUSTRIAL/CONSTRUCTION: 480LL, Case-IH INDUSTRIAL/CONSTRUCTION: 580 (INDUSTRIAL W/ GAS OR DIESEL ENGINE - 1970>, Case-IH INDUSTRIAL/CONSTRUCTION: 580B, Case-IH INDUSTRIAL/CONSTRUCTION: 580C, Case-IH INDUSTRIAL/CONSTRUCTION: 580D, Case-IH INDUSTRIAL/CONSTRUCTION: 580F, Case-IH INDUSTRIAL/CONSTRUCTION: 580G, Case-IH INDUSTRIAL/CONSTRUCTION: 580SD, Case-IH INDUSTRIAL/CONSTRUCTION: 584C, Case-IH INDUSTRIAL/CONSTRUCTION: 584D, Case-IH INDUSTRIAL/CONSTRUCTION: 585C, Case-IH INDUSTRIAL/CONSTRUCTION: 585D, Case-IH INDUSTRIAL/CONSTRUCTION: 586C, Case-IH INDUSTRIAL/CONSTRUCTION: 586D Associated Items : A-CL212, A-RC2 Also A-CA-O-480C, A-CA-S-480CTLB, A-CA-P-33LDRBH, A-CA-S-580CKTLB, A-CA-O-580CKB, A-CA-O-580CKBLB, A-CA-P-580BSHT, A-CA-P-580CKB, A-CA-S-580BTLB, A-CA-O-580CTLB, A-CA-P-580CTLB, A-CA-S-580CTLB, A-CA-P-580DSPR, A-CA-O-580FTLB, A-CA-O-470570, A-SMC202, A-CA-O-480580CK, A-CA-O-470570, A-SMC202 And : Dim A (1): A: 5 1/2" INLET LENGTH Dim B (2): B: 2 1/2" INLET I.D. Dim C (3): C: 19" SHELL LENGTH Dim D (4): D: 8 1/2" OUTLET LENGTH Dim E (5): E: 2" OUTLET O.D. Dim F (6): F: 33" OVERALL LENGTH