Feature: 1. Fitment: Voltage rectifier is suitable for Kohler engine, for John Deere lawn tractor, fit for many 8‑25 HP Engines with 15 Amp Alternators. 2. Part Number: OE numbers for reference are 25 403 03, 25 403 03 S, 25 755 03, 25 755 03 S, 41 403 01, 41 403 03, 41 403 04, 41 403 03 S, etc. 3. Function: The rectifier regulator can control the voltage capacity flowing to the battery to prevent excessive voltage and protect the battery. 4. Good Heat Dissipation: The voltage rectifier is made of high strength aluminum, with better heat dissipation design and longer service life. 5. Fine Workmanship: The highest level laminated materials and higher level electronic components are used to improve charging capacity. Specification: Item Type: Voltage Regulator Rectifier Material: Aluminum Operating Voltage: 12V Port: AC, B+, AC OE: 25 403 03, 25 403 03 S, 25 755 03, 25 755 03 S, 41 403 01, 41 403 03, 41 403 04, 41 403 03 S, 41 403 05, 41 403 06, 41 403 06 S, 41 403 08, 41 403 08 S, 41 403 09, 41 403 09 S, 41 403 10, 41 403 10 S Fitment: For Kohler engine, for John Deere lawn tractor For many different for Magnum and for Command Series For many 8-25 HP Engines with 15 Amp Alternators. Package List: 1 x Voltage Regulator Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!