Unimore Fuel Shut-Off Solenoid for Briggs & Stratton, John Deere, Husqvarna, Craftsman – 846639 694393 33R777-0009-G1 Replacement

Overview

Meeting the needs of lawn and garden enthusiasts, the Unimore fuel shut-off solenoid is designed to control fuel delivery during engine shutdown. This replacement part aims to support safer engine stop sequences and straightforward maintenance without modifying your existing setup.

Built to work with a variety of popular engines, this solenoid emphasizes simple compatibility checks and reliable operation. While no single component guarantees performance across every model, the design presents a practical option for restoring or enhancing fuel shut-off control on compatible mowers and engines.

Key compatibility and fitment

Notable OEM references and compatible models are listed to help you verify fitment before purchase. Typical compatibility includes common Briggs & Stratton and riding mower variants, along with John Deere, Husqvarna, and Craftsman machines often found in residential yards.

• OEM part numbers commonly referenced: 846639, 694393, 692734, 497672, 497157, 495733
• Engine families and models frequently associated with these solenoids include John Deere E100 series, Craftsman T110, Husqvarna YTH1842, and related riding mowers
• Briggs & Stratton engines such as 21R702-0003-F1, 21R706-0062-F1, 21R772-0025-H1, 21R777-0027-B1, 21R707-0001-F1, 31R907-0062-G1, 33R777-0003-G1, 33R877-0032-G1, 305772-0001-B1, 305777-0033-G1, 331977-0004-G1

Note: Always compare your original part number and engine model to confirm fitment. The listed numbers are for reference and may not cover every possible variant.

What’s included

• Fuel Cutoff Solenoid x 1
• Gasket x 1
• Wire Harness x 2

Installation tips

For a smooth swap, follow these steps: close the fuel line, wear gloves for protection, clamp the line, remove the old solenoid with a wrench, screw in the new unit, and ensure proper line seating. Perform the work in a well-ventilated area to stay safe during the process.

Why this replacement option may fit your needs

With a robust metal body, a ready-to-use wiring harness, and a gasket, this solenoid aims to simplify maintenance on compatible engines. It’s offered as a practical option for routine part replacement or when a prior solenoid shows wear, leakage, or failure symptoms. Consider it as a potential upgrade in your maintenance routine, rather than a guaranteed outcome.