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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.

Small engine primer bulb. The primer bulb draws additional fuel into the carburetor to help start the engine.

Cross link rod

Tecumseh carburetor repair kit. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run poorly.

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

Kawasaki pump-priming bulb. Fits select Kawasaki FJ180V engines.

Briggs & Stratton Original Equipment 498260 Carburetor Overhaul Kit. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run poorly.

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

Briggs & Stratton Original Equipment 491588S Air Filter. Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines.

NGK spark plug. 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.

Primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.

Start solenoid

Lawn mower blade spindle assembly. *4 Self tapping screws included. Mounting holes are not threaded see Part Replacement video for thread tapping information

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.

Briggs & Stratton Spark Plug (RJ19LM). If the engine does not start or runs poorly then the spark plug may be defective and will need replacement.
Toro mowers demand precision parts that match their engineering standards. Whether you're dealing with a sluggish carburetor, a slipping drive belt, or a worn transmission, Repair Clinic stocks the genuine OEM parts that keep your Toro running at full efficiency. Every part is verified for your specific model, and our inventory ships fast so downtime doesn't eat into your mowing season.
Toro built their reputation on reliability—protect that investment by using genuine replacement parts. Your mower's performance, fuel efficiency, and lifespan depend on it.
Browse Toro lawn mower parts by entering your model number. We carry carburetors, belts, ignition systems, fuel parts, and more in stock and ready to ship.
The model number is stamped on a metal plate located under the seat or on the frame near the engine. It typically starts with numbers like 20, 21, or 22 for residential walk-behinds. Write down the full model and serial numbers—Repair Clinic's search tool will display every compatible part for your machine. Never guess at parts; an incorrect model leads to wasted money and frustration.
OEM parts are engineered to exact specifications for your Toro's engine displacement, deck design, and control systems. Cheap aftermarket carburetors may fit loosely, fuel lines may use wrong material, and belts may slip or break early. Genuine Toro parts help ensure fit, function, and longevity—plus they support proper fit and performance and resale value.
Varnish buildup in the carburetor is the leading culprit. Old fuel gums up the main jet and needle seat, blocking fuel flow. Next, check the spark plug (likely fouled), ignition coil, and fuel lines for cracks. A carburetor rebuild kit or complete carburetor replacement, fresh spark plug, and new fuel are usually the fix. Repair Clinic stocks all these parts.
If your carburetor is leaking fuel around the seams but otherwise functions, a gasket and seal kit may restore it. However, if the carburetor body is cracked, the needle is worn, or jets are severely clogged, replacement is more cost-effective and reliable. Toro carburetors are affordable and pre-tuned—replacement often saves frustration in the long run.


Let's face it – waiting for your Toro self-propelled lawn mower parts to arrive can be frustrating, which is why we offer fast, same-day shipping on every order. With our extensive inventory of in-stock, genuine parts, you'll be able to get back to maintaining your lawn as quickly as possible.
We understand that mistakes can happen. For example, if you accidentally ordered Toro riding mower parts when you really needed Toro zero-turn mower parts, we've got you covered. Our comprehensive 365-day return policy covers all in-stock parts. You can return the incorrect parts, and we'll quickly deliver the correct ones to your door in a flash.
On Toro lawn mowers, check the frame near the blade deck, the engine housing, or the area under the seat for a product identification label. The model number may appear alongside the serial number, so copy the complete model number exactly as shown, including letters, numbers, and any hyphens. Enter it in the search bar to narrow the full Toro lawn mower parts catalog to parts made for your specific unit. Using the mower's model number helps match everything from engine parts to blades, belts, controls, and other associated parts. That means fewer wrong orders and a faster repair.

Whether you are new to appliance repair or a seasoned technician, Toro Lawn Mower repairs go smoother with the right online resources. Troubleshooting videos, common-symptom articles, part testing guides, and wiring diagrams cover the diagnostic and installation steps. Use the model number lookup to confirm the exact OEM part for your unit, then follow the matching video from start to finish.

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.