Features: 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. Specification: Item Type: Regulator Rectifier_x000D_ Material: Aluminium alloy_x000D_ Voltage: 12V_x000D_ Pin Count: 6 pin_x000D_ _x000D_ OE: 21066 1038, SH548 12_x000D_ 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_x000D_ 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._x000D_ Fitment: Replacement for KLR 650 1988?1993 Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!