One New Aftermarket Muffler Fits Case-IH Industrial/Construction Models: 480B, 480C, 480D, 480LL, 580B, 580C, 580D, 580SD, 584D, 585D, 586D Features: Inlet Length: 5 1/2″ Inlet ID: 2 1/2″ Body Length: 19″ Outlet Length: 8 1/2″ Outlet OD: 2″ Length: 33 1/2″ Weight: 12 Body Style: Oval Replaces Part Numbers: A39561, CKS2243 Models This part fits: 470, 480, 570, 580, 580B 480C 580C 580D 480D 480B 580SD 480LL 585D 584, 580C, 580D, G148B Eng, G188D Eng, Super D Reference numbers: A39561, A39561-A, A39561GV, A39561GV-A, CA-18, CA-18-A