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Air cleaner

Air filter cartridge filter

Briggs and Stratton small engine electric starter kit.

Screw, 1/4-20 x .5

Tecumseh air cleaner.

Recoil starter assembly

Briggs & Stratton Original Equipment 842921 Oil Filter.

Fuel Shut-off Valve, In-Line Valve. Fits 1/4 Inch inside diameter fuel line

Small engine starter pawl (Nylon). *Sold as a set of Two.

Briggs & Stratton 4-Cycle Engine Oil. (48oz Bottle)
Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. For optimum performance, change the oil in your small engine after the first five hours of use and then annually, or every 50 hours of use (whichever comes first).

Seal-oil,rvc2 6x11x10.2

Suspension arm, rear

Lawn mower flange bolt.

Filter-a/c cartridge

Briggs & Stratton air vane spring.
Repair Clinic stocks genuine OEM Simplicity Lawn Mower parts that restore proper function and reliable performance. Every part is genuine OEM, ensuring correct fit and performance on your specific model. Enter your model number to find the exact Simplicity Lawn Mower part you need, with same-day shipping on most in-stock items and a 365-day return policy.
Check the frame or chassis near the engine—most Simplicity models display a stamped or adhesive label with the model and serial number. You can also check under the seat or on the deck housing. Having this number ready speeds up parts identification and ensures you order the correct parts.
Blade spindle bearing wear, bent or dull blades, and clogged deck undercarriage are common culprits. A worn spindle assembly won't grip the blade properly, causing uneven or incomplete cutting. If you hear grinding or rattling from the deck, spindle replacement is likely needed.
Stale fuel gumming the carburetor is the most frequent cause. Winter storage leaves fuel residue that hardens inside the carb passages and jets. A carburetor rebuild kit or complete carb replacement, combined with fresh fuel and a new spark plug, usually restores reliable starting.
No—Simplicity uses different carburetors depending on engine type and displacement. Always verify your specific model number before ordering carb jets, gaskets, or float needles. Mixing parts from different models can lead to poor performance or no-start conditions.


Ordering Simplicity lawn mower parts online is simple and helps you find genuine OEM parts for your unit. With same-day shipping on most in-stock items, you'll have your replacement part fast, minimizing downtime. Our model/part number lookup finds the exact OEM part for your unit, and every order is backed by our 365-day return policy and price-match guarantee. Browse our repair help section for troubleshooting tips, part testing guides, and step-by-step installation videos for your specific product.
Simplicity prints the model number on a label or stamped plate on the frame or chassis near the engine. Depending on the mower, you may also find it under the seat, on the mower deck housing, or on the engine cover. The model number identifies the entire mower, so use it rather than a part number when you need to narrow the catalog. Enter the number in our model number lookup, and the available parts will be filtered to those matched to your Simplicity mower. Check each character carefully, including letters, numbers, and any hyphens, before searching. This approach cuts through similar-looking options and helps you order with confidence knowing the fit is right.

Getting your Simplicity Lawn Mower back in working order is easier with the right online resources. Troubleshooting videos, repair help articles, part testing guides, and wiring diagrams give a clear path from symptom to solution. Once you know the failed part, look it up by model number and follow the installation video to complete the repair.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.