Feature:1. Replacement for 10A 13A 14A 16A charging systems 820HP engines 16 Amp dual output charging systems.2. AC to DC rectifier, the product OE number is 493219, and compatible OE numbers are 303707 303772.3. Regulate voltage, raise engine ignition efficiency, reduce clutter interference, improve sound quality of car audio system, protect electrical circuit system.4. Integrated fully sealing process makes rectifier waterproof and shockproof, rust resistant and corrosion resistant, prolongs product life.5. Aftermarket unit built to meet OEM specifications, timely replacement can effectively improve voltage instability situation, prevent damage to power supply system.Specification:Item Type: RectifierMaterial: MetalProduct OE: 493219Compatible OE: 303707 303772Fitment:Replacement for Engines with 16 Amp Dual Output Charging Systems on 8-20HP Engines 14.4VoltsReplacement for 303700 Series Small EnginesFor 16 amp dual output charging systems.Package List:1 x RectifierNote: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.