Muffler & pipe assembly with 3-bolt flange. Tractor: MF135 (Perkins gas & diesel); Industrial: 20. 2135. (Perkins gas & diesel). Replaces 539525M91 muffler & 522584M91 pipe on late models. also will replace 505545M92 & 507518M91 on early models. Uses gasket 3640488M1 (not included).
