Silencer muffler muffler lawn tractor lawn mower compatible MURRAY For models: MURRAY 309300x30 , 309311x692 , 309311x92 , 312000x68 , 312000x98 , 312001x11 , 312001x50 , 312002x11 , 312002x98 , 312003x50 , 312004x68 , 31200x11 , 31200x50 , 31201x51 , 31201x98 , 31621x70 , 40503x88 , 40504x92 , 40505x95 , 40506x88 , 40507x14 , 40507x31 , 40507x8 , 40508x52 , 40508x92 , 40510x50 , 40531x50 , 40531x59 , 40538 , 40542 , 40563x86 , 40563x88 , 40566x95 , 40567x53 , 40615x66 , 40708 , 40708x192 , 40708x92 , 40708x20 , 40708x8 , 40900x20 , 40910 , 42542 , 536. 270300 , 950-60405-1 Part No.: 30271188 Original part No.: 091271SEMA 091271MA 091271 MU091271 MU91271 ah