Features 1This is a engine voltage regulator, AVR, rectifier 2This rectifier is suitable for KDE3500 5000 6500 6700 3This voltage regulator is typically mounted on the engine and used to charge the battery 4This regulator has 2 plugs with a total of 3 wires 5If your generator has no output and/or your battery isn't charging, this is the part that most likely needs replaced Specification Descriptions: Features: This rectifier is suitable for KDE3500 5000 6500 6700. This regulator has 2 plugs with a total of 3 wires. If your generator has no output and/or your battery isn't charging, this is the part that most likely needs replaced. You must make sure that your generator has these same connections. Specifications: Model: 178/186 KDE3500 5000 6500 6700 Applicable area: agriculture Accessories type: engine accessories Material: aluminum Color: as the picture Size:as the picture Weight:198g Package Included: Special Note: Please note that the color of wire will be sent randomly, and make sure you will not mind before ordering. Package List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.