21066-3718 Voltage Regulator for Kawasaki Ultra 250X 1500 2007-2008

Voltage Regulator for Kawasaki Ultra 250X 1500

The voltage regulator for Kawasaki Ultra 250X 1500 keeps charging voltage stable so the battery stays fed and the electrical system runs clean; it is a direct replacement for OEM 21066-3718.

Overview

This voltage regulator is a direct replacement part for the Kawasaki Ultra 250X 1500 jet ski, built to manage charging output and protect the battery and electrical components from spikes. It fits 2007 through 2008 models and matches the 21066-3718 reference. Riders replacing a failed regulator get dependable charging output for gauges, lights, and ignition.

Built For Performance

• Direct replacement for OEM part number 21066-3718
• Regulates charging voltage to protect the battery and electronics
• Solid-state construction with no moving parts to wear out
• Sealed housing resists water spray and vibration
• Plug-in connector layout matches the original harness

Fits These Machines

• for Kawasaki Ultra 250X 1500, 2007
• for Kawasaki Ultra 250X 1500, 2008

On-The-Job Use

• Replacing a failed or weak charging regulator on the Ultra 250X
• Restoring steady voltage to gauges, lights, and ignition
• Routine electrical maintenance on 2007-2008 models
• Keeping the battery charged during extended rides

Specs At A Glance

Good To Know

Q: Will this regulator fit my 2008 Ultra 250X? A: It is listed for the Ultra 250X 1500 from 2007 to 2008 and matches the 21066-3718 reference. Confirm your model year and part number before ordering.

Q: What are signs of a failing regulator? A: Weak or overcharged batteries, dim lights, and erratic gauge behavior are common symptoms. Replacing the regulator restores stable charging voltage.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.