Description Muffler, round, for gas & diesel engines. 2" inlet ID, 2" outlet OD, 32" OA length, 3-1/4" diameter. Tractors: MF150 (Continental gas, Perkins gas, & diesel with generator), MF165, MF175, MF180, MF240 (to s/n 2773N01001), MF245, MF255, MF265, MF275. This item is a suitable alternative for the following: 539523M92, S42708, S.42708, MF6, MF-6, A508825M94, A-508825M94, 535762M92, 508825M94, 508825M91