Feature: 1. Durable Material: This 3 wire voltage rectifier is made of premium aluminum alloy material, which is corrosion resistant, durable and has long service life. 2. Scope of Application: Generator AVR automatic voltage regulator rectifier can be used for 170 178 186 188 diesel generators. Perfectly fit with your machine. 3. Direct Replacement: Generator automatic voltage regulator is easy to install and disassemble, you can replace the old or damaged parts conveniently. 4. Stable Performance: Generator automatic voltage regulator has good wear resistance, high reliability, stable performance, more reliable and convenient to use. Not easily damaged. 5. Good Workmanship: Adopting exquisite workmanship, beautiful appearance design, providing you great using experience. Practical generator accessories. Specification: Item Type: AVR Automatic Voltage Regulator Material: Aluminum alloy Gross Weight: 221g / 7.8oz Product Size:length: 7cm / 2.8in, width: 7.9cm / 3.1in, height: 3cm / 1.2in Hole Distance: 6.5cm / 2.6in Aperture: 10x8mm / 0.4x0.3in Application: For 170 178 186 188 diesel generator. Package List: 1 x Generator Accessory