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Multiple models matched. Select your model to confirm fit.

Lawn mower adjustable upper handle.

Champion Spark Plug (RC12YC). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

Brake control cable 37.58"

Grass bag frame. If the grass bag is dragging on the ground, or the frame will not stay in position it may be broken or bent and will need to be replaced.

Lawn mower discharge chute. Installing this chute will keep the mulch cover open to discharge the clippings out the side of the mower.

Bow Tie Cotter Pin

Honda air cleaner (or air filter). If the air filter is clogged or dirty, the engine may not start or may run rough.

Self-tapping screw. 5/16-18 UNC X 1,25 '' Flanged external hex head.

Carburetor gasket (Choke Side)

Fuel shut-off valve

Blade Adapter Kit

Fuel bowl gasket

Rear trail shield

Rear axle assembly

Small engine Champion spark plug (RJ19LM). If the engine does not start, the spark plug may be defective. The spark plug should be replaced periodically during regular maintenance.
Troy-Bilt mowers are built tough, but even quality equipment needs replacement parts. Repair Clinic carries a complete selection of genuine OEM Troy-Bilt parts—spark plugs, air filters, belts, carburetors, and more—sourced directly from Troy-Bilt. Skip the guesswork and the secondhand parts bin. When you need your mower back in action fast, genuine parts deliver reliability and fit that off-brand alternatives simply can't match.
Whether your mower won't start, cuts unevenly, or moves sluggishly, the right OEM part makes the difference between a quick fix and a season of trouble. Repair Clinic stocks Troy-Bilt parts verified for your model and ready to ship.
Find exact-fit Troy-Bilt lawn mower parts by searching your model number. Thousands of OEM parts in stock—carburetors, starters, pulleys, and fuel system parts.
The model and serial number plate is typically bolted to the frame beneath the seat, on the rear axle housing, or stamped directly on the deck. Write down both numbers completely—they tell Repair Clinic exactly which parts fit your machine. Searching by incomplete numbers leads to wrong parts. A few seconds locating that plate saves time and money.
Troy-Bilt carburetors are pre-tuned and jetted for your engine's displacement and fuel delivery specs. A cheap universal carburetor may not flow the right fuel volume, causing rich running, fouled plugs, or weak power. The genuine part is engineered for your mower; it starts easier, idles smoother, and lasts longer. You pay for precision and compatibility.
A hard-to-pull cord usually signals a stuck engine from old gas or low oil, not a bad starter cord. Check your oil level first. Then drain old fuel and replace it with fresh gas plus a fuel stabilizer. If the engine still binds after that, the carburetor or ignition may be the issue. Repair Clinic can help identify the right part once you've ruled out fuel and oil problems.
Not always. Engine redesigns, deck configurations, and control systems change year to year. A 2015 carburetor won't necessarily fit a 2022 Troy-Bilt mower. Always search by your exact model number to ensure compatibility. Using mismatched parts causes fit problems, poor performance, and potential safety issues. OEM parts are made for your specific year and model.


If you're still having trouble finding compatible parts for a Troy-Bilt lawn mower (or you just want to be extra confident in your purchase), browse our online parts finder, model number lookup, and repair help library for guided assistance.
Repair Clinic doesn't just help you find parts for a Troy-Bilt lawn mower faster – we also ensure they'll be on your doorstep and ready for installation in no time. With nationwide distribution and same-day, fast shipping right to your door, you can start your repairs immediately. Just make sure you order your Troy-Bilt push mower parts before 9 p.m.
If you accidentally ordered the wrong Troy-Bilt lawn mower parts, don't stress. You can take full advantage of our 365-day return policy to get a full refund on your own time – no questions asked.
On Troy-Bilt lawn mowers, check beneath the seat, around the rear axle housing, or directly on the mower deck for a model number plate or sticker. Clean off grass and dirt if the label is hard to read, and copy every letter, number, and hyphen exactly as shown. Enter that number in the search bar to narrow the full Troy-Bilt parts catalog to parts made for your mower model, from engine and blade parts to handles, cables, and hardware. Searching the complete model number removes the guesswork caused by similar-looking machines and helps you order with confidence knowing the fit is right.

Repair Clinic's online repair library gives you the tools to diagnose and fix your Troy-Bilt Lawn Mower without a service call. Common-symptom articles cover the most likely causes, part testing videos confirm the failed component, and step-by-step written guides walk you through the installation. Use the model number lookup to confirm the exact OEM part, and exploded-view diagrams and wiring illustrations support the more involved jobs.

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.