Enter Part or Model Number for best results

(Where is my model number?)

John Deere Lawn Mower Leaks Gas

The lawn mower small engine often has a separate model number. Use the small engine model number for a complete list of symptoms and parts. Watch our model # lookup video for help finding the model number.

L108/42in Deck/Engine: 31P677-0242-B1

The 8 most common part(s) or condition(s) which contribute to the symptom Lawn mower leaks gas are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.

For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

Grid is 1 inch square
Float Needle - Part # 1611139 Mfg Part # 696136

Float Needle

RepairClinic Item # 1611139

If the carburetor assembly leaks gas the float needle inside the float bowl might not be sealing properly. If this happens, remove the carburetor assembly from the engine and either clean it thoroughly or replace it.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$10.55

Grid is 1 inch square
Carburetor Gasket - Part # 1611172 Mfg Part # 698781

Carburetor Gasket

RepairClinic Item # 1611172

If the lawn mower leaks gas the carburetor gasket on the bottom of the carburetor might be dried out or missing. If the leak is coming from the bottom of the carburetor, try replacing the carburetor gasket.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$6.10

Grid is 1 inch square
Fuel Shut-Off Solenoid - Part # 1611182 Mfg Part # 699915

Fuel Shut-Off Solenoid

RepairClinic Item # 1611182

If the lawn mower leaks gas, check the fuel shut off solenoid valve. Be certain the fuel lines fit tightly on the fuel shut off solenoid valve. Also, check for cracks or pinholes in the fuel shut off lines.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$45.65

Grid is 1 inch square
Float - Part # 1611119 Mfg Part # 694914

Float

RepairClinic Item # 1611119

If the carburetor assembly leaks gas the float mechanism inside the float bowl might be sticking open. If this happens remove the carburetor assembly from the engine and either clean it thoroughly or replace it.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$23.95

Grid is 1 inch square
Fuel Filter - Part # 1567939 Mfg Part # 691035

Fuel Filter

RepairClinic Item # 1567939

If the lawn mower leaks gas, check the connections to the fuel filter and the filter housing itself. If it has a crack, replace it, don't try to repair it. If any of the fuel lines are dry or cracked replace them completely, don't try to cut off a piece and reattach it because the rest of the tubing might also have cracks or defects.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$5.85

Grid is 1 inch square
Fuel Filter - Part # 1974096 Mfg Part # 120-436

Fuel Filter

RepairClinic Item # 1974096 Aftermarket (Non-OEM) part

If the lawn mower leaks gas, check the connections to the fuel filter and the filter housing itself. If it has a crack, replace it, don't try to repair it. If any of the fuel lines are dry or cracked replace them completely, don't try to cut off a piece and reattach it because the rest of the tubing might also have cracks or defects.

 

Grid is 1 inch square
Fuel Line - Part # 1611212 Mfg Part # 791805

Fuel Line

RepairClinic Item # 1611212

If the lawn mower leaks gas, check the fuel lines. If any of them has a crack, replace it, don't try to repair it. If any of the fuel lines are dry or cracked replace them completely, don't try to cut off a piece and reattach it because the rest of the tubing might also have cracks or defects.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$13.05

Grid is 1 inch square
Fuel Pump - Part # 1568007 Mfg Part # 808656

Fuel Pump

RepairClinic Item # 1568007

If the lawn mower engine leaks gas, check the fuel pump. Be certain the fuel lines and vacuum line fit tightly on the fuel pump. Also, check for cracks or pinholes in the fuel pump body.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

$18.95

Back to Symptom List