One New Aftermarket Replacement Muffler – Vertical Fits Ford New Holland 3-Cylinder Tractor Models: 4000, 4100, 4600, 2910, 3610, 3910, 4110, 4610, Ind. 345C, 345D, 445C, 445D, 4400, 4500, 515, 531, 535, 545, (545A 2/87) Fits Ford New Holland 4-Cylinder Tractor Models: 5000, 5600, 5900, 6600, 6700, Ind. 650, 6500 Early StyleTechnical Information: Length: 49″ Inlet: 1-7/8″ Outlet: 2″ Type: Vertical Note: Recommended for Cab TractorsReplaces Part Numbers: 83908359, E4NN5230GA17M, E4NN5230GB, D6NN5230B, 87554783, 87295250, 87704569, 83958580, 84364029 Models this part fits: 2910, 345C, 345D, 3610, 3910, 4000, 4100, 4110, 4400, 445C, 445D, 4500, 4600, 4610, 5000, 515, 531, 535, 545, 545A, 5600, 5900, 650, 6500, 6600, 6700 Reference numbers: D6NN5230B, E4NN5230GB, FO-24