Craftsman Gas lawn mower Parts — Browse All Models

• If your lawn mower won’t start, it may be due to stale fuel, a faulty spark plug, or a clogged carburetor. Our guide on why a lawn mower won’t start outlines key troubleshooting steps to help you diagnose and fix the issue.

• When your mower starts but won’t move, the drive belt or transmission might be worn or broken. Learn more about why a lawn mower won’t move and how to restore drive function.

• If your mower leaves uneven patches in the grass, the blade could be dull or bent, or the wheels may be misaligned. Our tips on why your lawn mower cuts unevenly walks through how to correct the problem for a cleaner cut.

• Flywheel key: The flywheel key links the flywheel to the crankshaft and ensures proper ignition timing. If it's damaged, your mower may misfire or fail to start. Use our guide to replace the flywheel key on a lawn mower engine.

• Spark plug: The spark plug ignites the fuel-air mixture in the engine. If it’s dirty or worn out, your mower may run rough or not start at all. Learn how to replace a lawn mower spark plug in just a few steps.

• Blade: The blade spins beneath the deck and slices the grass cleanly. A dull or bent blade can lead to uneven cuts. Our guide on how to replace a lawn mower blade shows you how to install a new one safely.

• Drive belt: The drive belt powers the wheels on self-propelled models. If your mower won’t move, replacing the drive belt could solve the problem. Follow our steps in how to replace a lawn mower drive belt for a smooth repair.

For routine maintenance items like air filters, oil, and tune-up kits, check out our full selection of lawn mower maintenance parts.

With quality parts and expert guidance, Sears PartsDirect helps you extend the life of your Craftsman gas lawn mower. Whether you're handling basic maintenance or in-depth repairs, we have everything you need to keep your mower cutting smoothly. Visit our lawn mower DIY repair help page for more tips, step-by-step guides, and solutions to common problems.

Check under the mower deck or near the engine housing.

Refer to your owner's manual or measure the existing wheels for compatibility.

Replace the air filter every season or after 25 hours of use.

Inspect the drive belt and adjust or replace if necessary.