MTD MA-31A60-00601 Lawn Tractor Electric Fuel Pump Assembly

The MTD MA-31A60-00601 Lawn Tractor Electric Fuel Pump Assembly is a fuel-system component that helps move gasoline from the tank toward the engine during lawn tractor operation.

Symptoms This Part Can Address:

• Engine receives insufficient fuel.

• Pump operation becomes inconsistent.

• Tractor loses power while mowing.

• Engine shuts down from interrupted fuel flow.

• Starting becomes difficult despite available fuel.

Reduced Fuel Flow

Quick Check: Monitor the fuel tank outlet, fuel lines, and filter for visible blockage or restricted flow.

Fix Suggestion: Restore an unobstructed fuel path and replace the electric pump assembly if it cannot maintain the necessary fuel supply.

Prevention Tip: Keep the fuel system serviced and prevent debris from entering the tank during refueling.

Engine Stalls While Mowing

Quick Check: Check for interrupted fuel delivery and inspect the pump's electrical connections for loose or damaged wiring.

Fix Suggestion: Secure the wiring connection and service the pump assembly when inadequate fuel delivery is traced to the pump.

Prevention Tip: Inspect fuel-system connections before extended mowing sessions.

Inconsistent Pump Operation

Quick Check: Examine the pump connector and surrounding wiring for corrosion, looseness, or physical damage.

Fix Suggestion: Repair the affected connection where appropriate and install a new pump assembly if the unit continues operating intermittently.

Prevention Tip: Keep electrical connectors protected from moisture and check them during routine maintenance.

Difficult Engine Starting

Quick Check: Verify that fuel is reaching the pump and inspect the fuel supply for restrictions.

Fix Suggestion: Correct supply-side restrictions and renew the pump assembly when it cannot provide sufficient fuel during starting.

Prevention Tip: Maintain fresh fuel and inspect the fuel system before long periods of seasonal storage.

Customer Experience: A lawn tractor owner replaced the fuel pump assembly after intermittent fuel delivery caused starting difficulties during routine maintenance.