?COMPATIBLE PART NUMBERS FOR KOHLER ENGINES?: Perfect fit for kohler series engines: Including KS540-3011, KS530-3011, KS530-3012, KS540-3014, KS590-3011, KS595-3018 models. Replace part number: 22-853-02-S, KH-22-853-02-S, 2285302S ?FUNCTION?: The design adopts advanced fuel atomization for smooth combustion, ensures the stable operation of your engine, improves fuel efficiency, and enhances engine performance ?WHEN TO REPLACE?: Oil leakage; Difficulty starting the vehicle; Inability to accelerate; Black smoke from the exhaust pipe and more... ?MATERIAL?: Our carburetor is mainly made of aluminum alloy, which has a stronger structure, impact resistance, high temperature and high pressure resistance, and good corrosion resistance ?UPGRADED SPARK PUG?: Made of durable metal and ceramic, it has better heat transfer and electrical insulation properties. The ultra-small diameter center electrode can reduce voltage requirements and extend ignition system life