The Kohler 2540348-S Engine Rectifier Regulator helps manage and regulate electrical output for reliable engine system performance. This replacement component converts alternating current from the charging system into direct current and helps control voltage supplied to the battery and other electrical components. The built-in overvoltage protection supports the system by helping limi... https://www.wholetoolbox.com/kohler-2540348-s-engine-rectifier-regulator-fw-w-ovp-20-30-amp/2540348-S.html