Round aluminized vertical muffler for Ford tractor models: 2000, 3000, 4000, 5000 (1965 & up); Must use inlet adapter pipe D0NN5B255C or D0NN5B255D. Fits gas or diesel engine. 1-7/8 inch I.D., 2 inch O.D. outlet, 29 inches long. Can replace oval mufflers C4NN5230AR, C7NN5230E, C7NN5230AS, C7NN5230AC

Oval aluminized vertical muffler for Ford tractor models: 2000, 3000, (1965 to 1975); 2600, 3600, 231, 335, 420, (1975 to 1981); 2610, 3610, (1981 to 1982); 2810, 2910, 3910, (10/1985 to 2/1990). 1-7/8 inch I.D. inlet, 2 inch O.D. outlet, 49 inches long

Oval aluminized vertical muffler for Ford tractor models: 4000, 5000, (1965 to 1975); 4100, 5600, 5600, 5700, 6600, 6700, 515, 531, 535, less cab (1975 to 1981); 2910, 3610, 4110, diesel (1981 to 9/1985); 4610, 531 gas (1981 to 4-1982); 4610, diesel (1981 to 2/1990). Replaces D9NN5230DA17M and E4NN5230GA17M. 1-7/8 inch I.D. inlet, 2 inch O.D. outlet with 4 inch curved pipe, 26.5 inch long body