Kohler air filter element/pre-cleaner set for the K241,K301 and K321 single cylinder engines used on 200,400 and 600 series tractors. Also fits the M8 Magnum. Kit contains 1 235116 element and 1 237421 pre-cleaner. Can be used for any application calling for Case/Ingersoll part numbers A70090, C28883 or KO237421. Replaces Kohler p/n 25 883 03-S1.