1、Fitment: Voltage regulator rectifier is fit for WR250 WR250F 2001‑2002, fit for WR426 WR426F 2001‑2002, fit for WR400 WR400F 2000. 2、Function: The rectifier has overheat protection, which helps dissipate overvoltage, prevents overcharging of the battery, and improves heat sink and charging capability. 3、Stable Performance: ABS, aluminum, copper material, wear resistant, high temperature resistance, aging resistance, safe and durable. 4、Professional Manufacturing: This regulator meets strict production quality standards, high reliability, high accuracy and sensitivity. 5、Ideal Replacement: Exquisite workmanship, replace the old or broken one, simple and elegant appearance, match well with motorcycle.