Product Suitable For: This kit for C43910 includes C31249, C26670 12 Voltage Rectifier/Regulator for all 200/400/600 Series Tractors with Alternator/Stator Charging Systems. Package Includes: 1 * Voltage Rectifier Regulator Description: Highest aftermarket warranty Lowest cost, highest performance for the cost Brand new High quality Durable and easy to install Note: If you are not sure about the item, please contact us to confirm. Sorry for any inconvenience caused. Full money back guarantee if not fit.