Keep your lawn mower running smoothly with this aftermarket Voltage Regulator Rectifier compatible with Kohler models 41-403-09 and 4140309. Designed to efficiently regulate voltage and ensure consistent electrical performance, this part is essential for maintaining your mowers engine health. Please note, this is a high-quality aftermarket replacement, not an OEM component. Easy to install and built to last, its a reliable choice for extending the life of your equipment. Perfect for DIY repairs or professional maintenance Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.