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Multiple models matched. Select your model to confirm fit.

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.

Lock nut with nylon insert.

Nylon insert locking nut. Used as part of the shear bolt assembly, as well as other locations within the equipment.

Kohler Original Equipment 52 050 02-S Pro Performance Oil Filter. For optimum performance, we recommend changing the oil in your small engine after the first five hours of use. After that, change the oil on a yearly basis or after every 50 hours of use (whichever comes first).

Screw, HH

Screw-hh

Fuel pump.

Gasket, fuel bowl

Seal, oil

Stud bolt

Gear-Pinion

Push rod

Exhaust pipe gasket.

Screw-taptite

Bearing-ball
Exmark mowers are built for performance, and keeping yours running right means using genuine OEM parts. Repair Clinic carries the exact parts your Exmark needs—carburetors, belts, spindles, ignition coils, and fuel system parts—all engineered to factory specifications. Quality parts protect your investment and keep downtime to a minimum.
Our Exmark lawn mower parts inventory covers everything from routine maintenance to major part replacement, with fast shipping and expert support.
Find your parts fast: Enter your Exmark model number to see all compatible parts in stock.
Your model number appears on a metal nameplate attached to the frame, typically near the engine or under the seat on riding models. Check your owner's manual or warranty card if you can't find the plate. The model number is needed for ordering the correct OEM parts—using it ensures compatible fit and compatibility.
OEM Exmark carburetor repair kits include gaskets, O-rings, float needles, main jets, and idle jets—everything needed to restore proper fuel flow without replacing the entire carburetor. Kits are budget-friendly and work well for mowers that simply won't start or idle rough due to varnish buildup from old fuel.
Slipping belts produce a squealing noise under load or cause the mower to move slower than normal even at full throttle. Inspect the belt for cracks, shine, or fraying. If worn, replace it immediately—a snapped belt leaves you stranded mid-mow. Exmark belts are matched to your deck and engine, so always order by model number.
Exmark parts are designed for Exmark mowers and typically don't interchange with other brands. Even generic parts like spark plugs may differ in heat range or thread size. Always verify your exact Exmark model before ordering to avoid compatibility headaches and unnecessary returns.


Repair Clinic isn't just the best place to find your needed Exmark mower parts fast – we'll also get them to your doorstep at lightning-quick speeds. The last thing you want to do is wait weeks to cut your grass again. When you buy Exmark mower parts through our website, we'll ship them to you same-day, no matter where you are in the country. With distribution sites all over the U. S., Repair Clinic is always close at hand with Exmark Quest parts for your DIY job.
Not to mention, our 365-day return policy is always in effect with every order placed. If you accidentally order the wrong Exmark lawn mower parts, you can return them anytime.
Exmark typically puts the model number on a metal nameplate attached to the mower frame, often near the engine or beneath the seat on riding models. Check the engine housing and frame carefully, since grass and dirt can hide the label. You may also find the information in the owner's manual or warranty documents. Once you have the complete Exmark model number, enter it in the Repair Clinic search bar to narrow the catalog to parts that fit your entire mower. That includes maintenance items, engine parts, deck hardware, belts, controls, and other associated parts. Matching the model before you shop helps you compare the right options quickly and avoid ordering parts for a similar-looking Exmark machine.

Repair Clinic's online repair library helps Exmark Lawn Mower owners and technicians work through the diagnosis and installation. Troubleshooting videos, symptom articles, and part testing walkthroughs help you determine which component has failed. Once you know what to replace, use the model number lookup to confirm the exact OEM part, then follow the matching installation 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.