One New Replacement Muffler, Remanufactured Quality, Fits International Tractor Models: H, HV, I4, Super H, Super HV, Super W4, W4, 300, 350 Inlet Length: 1-7/8″ Inlet ID: 2-3/8″ Shell Length: 10-1/4″ Shell Diameter: 5-1/2″ Outlet Length: 13-1/4″ Outlet OD: 1-3/4″ O/A Length: 27-7/8″ Features high temp paint, IH logo and part number stamped on side of muffler. On applications that use a cast 2-bolt flange distillate pipe, you may have to widen the muffler inlet. Replaces part number: MUK40-0007, 350600R94, 51070D, 350600R95 Models This part fits: 300, 350, Super H, Super HV, Super W4 Reference Numbers: 350600R94, 350600R95, 51070D, MUK40-0007