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$4.72

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.

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$7.90

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

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$4.89

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.

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$5.01

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.

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$4.90

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

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$3.69

Small engine NGK spark plug (BPR6ES). If the engine does not start, the spark plug may be defective. The spark plug should be replaced periodically during regular maintenance.

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$5.44

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.

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$3.45

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.

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$6.99

MTD 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.

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$25.79

Carburetor for 2-cycle engine. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough.

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$7.65

Champion Spark Plug (RDJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

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$7.76

Lawn mower air cleaner cover. If this cover is cracked, or if one of its holding tabs is broken, replace it.

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$25.82

Two cycle engine carburetor. If the engine runs rough, the carburetor may be restricted. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.

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Quality MTD Tiller Replacement Parts From Repair Clinic

If you count on your MTD tiller to help keep your garden the envy of the neighborhood, you can count on Repair Clinic to help keep your tiller in peak condition. We stock all the parts to maintain and fix MTD tillers, including popular models like the MTD Gold 21A-39M8704A. Before the gardening season even starts, you should tune-up the tiller engine by replacing the spark plug and the air filter. If old fuel residue has clogged the carburetor or fuel filter, you should consider replacing those components as well to ensure optimum engine performance. If the fuel tank has become damaged, Repair Clinic carries the replacement tank, fuel lines, and fuel cap that match your model. Need a new bail arm or handle? We have those as well, along with tiller tines, control cables, and drive chains. Just type the full model number of your MTD tiller into our website’s search bar for a list of compatible parts. If you’re unable to locate the right part, please call our Customer Service Team at 1-800-269-2609 for further assistance.

If you need help installing that new part, be sure to explore Repair Clinic’s unmatched collection of "step-by- step” videos, diagrams, articles, and schematics for guidance. In less time than you think, your MTD tiller will be ready to cultivate that garden.