1、Fitment: This voltage regulator rectifier is designed to match the fit and function of the original part, fit for engine models 256400 28B700 28M700 351400 351700. 2、OEM: The OEMs of this voltage regulator rectifier are 794360, 793360, 491546 and 691188 for reference, please check the part number of your item before purchasing. 3、Waterproof: The rectifier is made from sturdy materials with sealed packaging, which can adapt to various environments and has good waterproof performance. 4、Fuel Efficient: The voltage rectifier can improve ignition efficiency, which makes fuel combustion more adequate, improves fuel efficiency, and reduces the use of vehicle fuel consumption. 5、Durable Serving: All components of the rectifier have been meticulously checked to meet the strict original standards and ensure a long term service life.