25 083 01-S Primary Air Filter Element Kohler – Genuine OEM Replacement Part25 083 01 S Primary Air Filter Element Kohler Genuine OEM Replacement Part The Kohler 25 083 01 S Primary Air Filter Element is a genuine OEM replacement air filtration component designed for select Kohler small engines. This primary air filter is essential for protecting the engine by removing dirt, dust, and debris from the incoming air supply before it enters the combustion chamber. Regular replacement of the air filter helps maintain proper