Engineered as a direct OEM replacement for Kohler 41-403-09 & 25-403-03-S regulators, this 12V regulator-rectifier combo delivers precision charging (14.2-14.8V) across Kohler Command Pro/Courage/CV/SV/KT series engines (8-27HP). Compatible with Cub Cadet LX1040/LTX1050/XT1, Exmark LazerZ/TimeCutter, Troy-Bilt Mustang 50, and John Deere L110-L130 mowers.