1、Perfect Fitment: Voltage regulator rectifier is replacement for KLR 650 1988‑1993, the OE number is 21066 1038 and SH548 12, perfect matching. 2、Premium Material: Regulator rectifier is made of premium aluminium alloy material, rustproof, high strength, waterproof, sturdy and durable. 3、Excellent Performance: Professional manufacturing, exquisite workmanship, strong anti vibration and anti interference ability, can adapt to various environments. 4、Function: Rectifier can provide stable voltage, improve the performance of low speed torsion, enhance engine power, increase speed, high efficiency. 5、Simple Instalaltion: The installation is simple, direct replacement for the old or broken one, convenient for using, save your time and energy. Item Type: Regulator Rectifier Material: Aluminium alloyVoltage: 12V Pin Count: 6 pin OE: 21066 1038, SH548 12 Application: Aftermarket replacement parts, used to replace the old regulator of the refurbished original car, meet or will exceed OEM standards, direct replacement, easy installation Function: The rectifier uses semiconductor diodes to conduct current, so as to rectify and control the power supply, provide a stable voltage for the battery, and improve the ignition efficiency of the engine. Fitment: Replacement for KLR 650 1988‑1993 1 x Regulator Rectifier