Features This is an engine voltage regulator, AVR, and rectifier. This rectifier is suitable for KDE3500, 5000, 6500, and 6700 models. This voltage regulator is typically mounted on the engine and used to charge the battery. This regulator has 2 plugs with a total of 3 wires. If your generator has no output and/or your battery is not charging, this is the part that most likely needs replacement. Specifications Model: 178/186 KDE3500, 5000, 6500, 6700 Application: Agriculture Accessory Type: Engine Accessories Material: Aluminum Color: As shown in picture Size: As shown in picture Weight: 198g Package Included Voltage Regulator (AVR) with Rectifier Note Please note that the wire color may be sent randomly. Ensure you are comfortable with this before placing your order.