Silencer muffler 4-stroke engine 4-stroke lawn tractor lawn mower compatible KOHLER Outer diameter (mm): 82,5 Fitting: 3/4" internal thread For models: KOHLER K 91 TECUMSEH HM100 - TVM140 - VH70 - VM80 Part No.: 30270773 Original part No.: 220521-S A-220521 220521 (KOHLER) 29633 220521-S A-220521 220521 (TECUMSEH) ah