21066-0747 – Voltage Regulator (Genuine Kawasaki OEM Part) The Kawasaki 21066-0747 Voltage Regulator is a genuine OEM replacement electrical component designed to control and stabilize the charging output of the alternator on compatible Kawasaki small engines. This regulator helps maintain proper battery charging voltage, preventing overcharging or undercharging conditions that can lead to starting problems or electrical system failure. Manufactured to Kawasaki original equipment specifications, this voltage regulator ensures correct fitment, reliable performance, and long-lasting durability in demanding outdoor power equipment applications. Product Details Manufacturer Part Number: 21066-0747 Brand: Kawasaki Part Type: Voltage Regulator / Rectifier System: Charging System / Electrical OEM Status: Genuine Kawasaki OEM Replacement Condition: New OEM Part Function Regulates alternator output to maintain stable charging voltage Prevents battery overcharging and electrical damage Supports consistent battery charging and reliable starting Helps protect engine electrical components from voltage spikes Designed for OEM-level fit and dependable operation Compatible With The 21066-0747 Voltage Regulator fits select Kawasaki engines and outdoor power equipment models that require this specific charging system regulator. Common applications include: Kawasaki FX Series engines Kawasaki FR Series engines Kawasaki FS Series engines Other Kawasaki small engines using compatible voltage regulator assemblies (Exact compatibility varies by engine model, specification number, and serial range. Always verify fitment using your Kawasaki engine model and serial number before ordering.) How It’s Used This voltage regulator installs within the engine charging system, typically connected between the alternator and battery circuit. Proper installation ensures correct charging performance and prevents electrical issues during operation. Refer to your Kawasaki service manual for correct wiring connections, mounting location, and installation procedures.
