Muffler / Kohler 220521-SPack Size:1Kohler 220521, Kohler 220521-S, Tecumseh 29633Edgewater 434705, ESF 157-301, Foley/PLP 157-301, Green Meadow TEM8, Laser L3008, Laser 94037, NHC 255-4622, Oregon 35-008, Prime Line 7-03666, Quality 400038, Quality 440052, Rotary 1279, Sunbelt SB-1279, Sunbelt B1SB1279Kohler K91; Tecumseh H, HH, HM100, TVM140, V, VH70 and VM100OD: 3 1/4 ", Length: 3 1/8 ", Pipe Thread: 3/4 " FEMALE