Low Oil Sensor Switch for Honda GX100 GX120 GX200 GX390

Low Oil Sensor Module Switch for Honda GX Engines

Keep your Honda-powered equipment running safely and efficiently with this durable Low Oil Sensor Module Switch. Designed as a direct-fit replacement for a wide range of Honda GX-series engines, this plastic sensor automatically monitors oil levels and cuts the engine before dry-running damage can occur — protecting your investment with zero hassle.

Made in Mainland China.

Wide Compatibility

This switch is compatible with most of the following Honda engine and generator models:

• Engines: GX100, GX120, GX140, GX200, GX240, GX270, GX340, GX390, GC135, GC160, GC190, GXH50
• Generators (EB Series): EB2500, EB3500, EB3800, EB5000, EB6500
• Generators (EG Series): EG1400, EG2500XK1, EG3500, EG5000
• Generators (EM Series): EM1800, EM2500, EM3500, EM5000, EM6000
• Generators (EN/EP/EX/EZ Series): EN2000, EN2500, EN3500, EP2500, EW171, EX3300, EX4500, EZ1400, EZ2500, EZ3500, EZ5000
• Pressure Washers: Cadet CC3425 / 26A-AJH2710

Always verify your specific model number before ordering to ensure fitment.

Key Features

• ✅ Engine protection — cuts power automatically when oil drops below safe levels
• ✅ Broad compatibility — fits most Honda GX100–GX390 and many generator/pressure washer models
• ✅ Durable plastic construction — lightweight yet built for demanding outdoor conditions
• ✅ Easy drop-in replacement — no special tools required for most installations
• ✅ Affordable maintenance part — keep a spare on hand for fast field repairs

Package Contents

• 1× Low Oil Sensor Module Switch

Important Notes

• Colors may appear slightly different on screen due to monitor brightness and lighting conditions.
• Please allow for minor measurement tolerances.
• Verify your engine/model compatibility before purchasing.

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For general small engine maintenance guidelines, visit the U.S. Consumer Product Safety Commission – Power Tools & Lawn Equipment Safety Guide.

Learn more: Power tool

Frequently Asked Questions

Q: Which Honda GX engine models is this low oil sensor switch compatible with?

A: This low oil sensor module switch is designed to fit most Honda GX-series engines including the GX100, GX120, GX140, GX200, GX240, GX270, GX340, and GX390, as well as many Honda generator (EB, EG, EM, EN, EP, EX, EZ series) and select pressure washer models. Always cross-check your model number before purchasing.

Q: How does the low oil sensor switch protect my engine?

A: The sensor continuously monitors the oil level inside the engine. When oil drops below the minimum safe threshold, the switch automatically cuts the engine's ignition, preventing the engine from running dry and sustaining internal damage. It's a simple but critical safety component.

Q: Is this sensor switch easy to install?

A: Yes — for most Honda GX-series engines this is a straightforward plug-and-play replacement. No special tools are typically required. Simply locate the existing oil sensor on your engine, unplug the connector, remove the old sensor, and thread in the new one. Always consult your engine's service manual for model-specific instructions.

Q: What material is this oil sensor switch made from?

A: This sensor switch is constructed from durable plastic, making it lightweight and resistant to the oil, vibration, and heat typical of small engine environments.