21188-7002 Carburetor Fuel Solenoid for Kawa-saki Engine FR541V FR600V FS481V FS541V FS691V FS730V FH430V FH541V FH580V

What It Is

This is a replacement fuel solenoid (solenoid valve) for Kawasaki FR, FS, and FH series engines commonly found on zero-turn mowers, riding lawn tractors, and commercial walk-behinds. It controls fuel flow to the carburetor, shutting off the fuel supply when the engine is off to prevent flooding and backfiring.

Fitment & Compatibility

Check your engine’s model number (e.g., FR541V, FS691V, FH580V) – this solenoid fits those listed in the title. Measure the solenoid’s threaded mounting hole diameter (typically 22mm) and the overall length (about 1.5 inches). OEM part number 21188-7002 is the direct replacement; this is an aftermarket version. Verify the wire connector type (usually a two-pin flat or spade connector) matches your harness. Not compatible with engines using a different fuel shut-off system or older models without a solenoid.

Key Things to Know

• Quality: Aftermarket, not OEM. May work fine but check for loose threads or poor sealing – inspect the o-ring before installation.
• Installation: Easy – unplug the electrical connector, unscrew the old solenoid, screw in the new one, and reconnect. Hand-tighten only; overtightening can crack the carburetor body.
• Gotchas: If the solenoid doesn’t click when the ignition is on, the coil may be dead or the wiring faulty. Test with a multimeter (should read ~20-30 ohms). A stuck plunger can cause no-start or flooding – clean it with carb cleaner first.
• Compatibility: Double-check your engine’s serial number and deck size (e.g., 48-72 inch decks) to ensure the carburetor uses this solenoid design. Some Kawasaki engines use a different solenoid (e.g., 21188-7001).

Should You Buy It

If you need a budget-friendly fix for a Kawasaki engine that won’t start, runs rich, or backfires on shutdown, and you’ve confirmed fitment, this solenoid is a solid choice. It’s cheap, easy to install, and works for most FR/FS/FH series engines. Avoid if you require OEM reliability or have a different solenoid pattern.