Features: 1.OE Number: The referencing OE number of this voltage regulator are 21066?7012, M149302, AM138443, M149660, which is molded depend on the original data. 2.Fitment: The electronic regulator is a replacement for John Deere 325, 335, 345, 737, 757, GT235, GT235E, GT245, GX255, GX325, GX335, LT190, LX277 lawn Tractors. 3.Rectifier Operation: The rectifier uses semiconductor diodes to conduct current to rectify and control the power supply and improve machine efficiency. 4.Function: The rectifier can provide a stable voltage for the battery and improve the ignition efficiency of the lawn tractor engine. 5.Ideal Replacement: Can directly replace the old or damaged rectifier. It is strong, anti aging and wear resistant, ensuring long term use and stable performance. Specification: Item Type: Voltage Regulator OE Number: 21066?7012, M149302, AM138443, M149660 Material: Aluminium Power Source: gas Voltage: 12V Terminal: AC - B+ - AC Fitment: Replacement for John Deere 325, 335, 345, 737, 757, GT235, GT235E, GT245, GX255, GX325, GX335, LT190, LX277, LX279, LX280, and LX288 lawn Tractors Fits for FH531V-BS09 and FH531V-CS09 Engines PackageList: 1 x Voltage Regulator Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!