MadelYN 846639 Fuel Shut-Off Solenoid for Briggs & Stratton Engines

Overview

The MadelYN 846639 Fuel Shut-Off Solenoid is a direct replacement part designed for Briggs & Stratton lawn and garden engines. When you turn the engine off, this solenoid interrupts the fuel flow, supporting a clean, predictable shutdown and helping with routine maintenance and storage of outdoor equipment. Built for outdoor use, it integrates with compatible fuel systems to provide a steady, mechanical shut-off without requiring complex adjustments.

Designed to fit several Briggs & Stratton models, the 846639 solenoid can simplify service tasks and reduce downtime, giving you a practical, no-nonsense replacement option for common engine shutdown needs.

Compatibility at a glance

Fits a broad range of Briggs & Stratton engines. Compatible with the following models:

• 33R877-0032-G1
• 33R877-0033-G1
• 31R907-0062-G1
• 33R777-0009-G1
• 33S877-0015-G1
• 331977-0004-G1
• 31R907-0018-G1
• 33S877-0014-G1
• 33R877-0009-G1
• 33R777-0003-G1
• 33R777-0012-G1

Why consider this solenoid

• Part number 846639 clearly identifies the replacement device for Briggs & Stratton fuel systems
• Reliable design aims to control fuel flow when stopping the engine
• Simple replacement can minimize downtime on outdoor equipment

Usage tips and safety

Before replacing, wear work gloves and work in a well-ventilated area. Ensure the engine is cool, disconnect power as needed, and follow standard repair steps to reseat wiring and fittings securely.

Installation and care

Built for straightforward integration with compatible Briggs & Stratton engines. After installation, inspect connections, test the shut-off function with the engine off, and store equipment safely when not in use to maintain performance.

Real-life use scenarios

From routine maintenance to seasonal storage, a dependable shut-off solenoid helps manage fuel flow during shutdowns, reducing fuel odors near the shed and limiting spill risk during servicing. Consider this solenoid as a practical upgrade for dependable engine control.

What you’ll receive with this part

A direct-fit solenoid designed for Briggs & Stratton engines, with a clear part number reference and compatibility notes to help you confirm a precise match.