Briggs and Stratton Fuel Solenoids

Find Briggs and Stratton carburetor fuel shutoff solenoids for engines with electrically controlled fuel flow. Match the part to your engine and carburetor, including connector, thread, and voltage requirements, before replacing a suspected failure with confidence.

How a Carburetor Fuel Solenoid Works

On equipped engines, the shutoff solenoid controls fuel flow at the carburetor, often closing when electrical power is removed to help limit afterfire during shutdown. Its presence and operating design vary across engine families.

• Verify the engine model and carburetor reference; not all engines use a shutoff solenoid.
• Check the electrical connector, operating voltage, body length, thread, and sealing arrangement.
• Inspect wiring, grounding, fuses, and power supply before treating the solenoid as defective.

Common Symptoms and Basic Diagnosis

A no-start condition with spark present, an engine that stalls when the key is released, or unexpected shutdown behavior can be consistent with fuel-solenoid problems. Those symptoms are not unique: fuel contamination, blocked jets, faulty switches, or wiring faults may produce similar results.

Inspection and Maintenance Tips

Follow the engine service instructions for electrical testing; avoid bypassing safety circuits or permanently disabling the shutoff device. Disconnect power and control fuel spills before removing the component.

Frequently Asked Questions

Does a clicking solenoid prove it is good?

No. An audible click indicates movement may occur but does not confirm full travel, correct fuel flow, or an intact electrical supply under load.

Check the part number, electrical specification, thread, and connector style before ordering. These symptoms are not exclusive proof of a bad solenoid.