Features 1. Perfect Fitment: Voltage regulator rectifier is a replacement for KLR 650 19881993. OE numbers: 21066 1038 and SH548 12. Direct fit replacement. 2. Premium Material: Made of high-quality aluminum alloy, rustproof, waterproof, durable, and built to withstand harsh conditions. 3. Excellent Performance: Precision-engineered for reliable operation with strong anti-vibration and anti-interference capabilities. Suitable for various operating environments. 4. Function: Converts and regulates voltage to provide a stable power supply to the battery, supporting consistent engine performance and improved charging efficiency. 5. Simple Installation: Designed for easy replacement of the original unit. No modifications requireddirect plug-and-play setup. Specification Item Type: Regulator Rectifier Material: Aluminum alloy Voltage: 12V Pin Count: 6 pin OE Numbers: 21066 1038, SH548 12 Application: Aftermarket replacement part designed to meet or exceed OEM specifications. Intended for use as a direct replacement for the original regulator. Function: Utilizes semiconductor diodes to rectify and regulate electrical output from the alternator, ensuring a stable voltage supply to the battery and electrical system. Fitment: Designed to fit KLR 650 models from 1988 to 1993. Package List 1 x Regulator Rectifier