The STIGA 1185502080 is a genuine OEM voltage regulator, also known as a rectifier, designed for use in various STIGA lawn tractors and ride-on mowers. This essential electrical component ensures stable voltage output to protect the battery and other electrical systems from overcharging and voltage fluctuations. It is a direct replacement for original part numbers including STIGA 1185502080, GGP 185502080, Castelgarden 185502080, Mountfield 185502080, Alpina 185502080, and Atco 185502080, ensuring precise fit and reliable performance.