UF31690 Oval Vertical Muffler---Replaces E4NN5230F

Replaces number E4NN5230F and FO-29

Fits: 2000, 3000 (1965-1975), 2600, 3600, 231, 335, 420 (1965-1981), 2600, 3600, 231, 335, 420, 532 diesel (less cab, 1975-1981), 2610, 3610, 230A gas (1981-4/1982), 2810, 2910, 3910 diesel (10/1985-2/1990).

This muffler has a shorter oval muffler portion and a curved outlet

Oval Shell
Inlet 1-7/8" I.D.
Outlet 2" O.D.
49" overall length