21119-3738 CDI Box for Kawasaki SX-R 800 2003 Igniter Module

CDI Box for Kawasaki

This CDI Box is an ignition control module that manages spark timing and engine advance on your personal watercraft, and it cross-references OEM part number 21119-3738.

Overview

The CDI Box is the electronic brain behind your engine's ignition curve, controlling when the spark fires so the motor runs cleanly through the rev range. Built as a direct-fit replacement for the listed OEM number 21119-3738, this CDI Box suits riders maintaining older Kawasaki personal watercraft. Install it to restore consistent ignition timing and dependable starts on the water.

Built For Performance

• Solid-state ignition control replaces a failed or intermittent OEM module
• Pre-programmed ignition curve matched to the listed 21119-3738 application
• Sealed housing resists moisture and vibration common to marine use
• Plug-in connector layout for straightforward installation
• Restores consistent spark timing across the rpm range

Fits These Machines

• for Kawasaki SX-R 800, 2003

On-The-Job Use

• Replacing a failed CDI module that causes no-start or intermittent spark
• Restoring proper ignition timing on older personal watercraft
• Routine electrical refresh during engine repair or rebuild

Specs At A Glance

Good To Know

Q: How do I know if my CDI box has failed? A: Common signs include no spark, hard starting, misfires, or an engine that cuts out at higher rpm. Confirming the part number on your original module is the safest way to check fit.

Q: Is this an original Kawasaki part? A: This is an aftermarket CDI box referenced to OEM number 21119-3738. It is not an original Kawasaki product.

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