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Multiple models matched. Select your model to confirm fit.

Wheel-complete 7"

Knob-Star 5/16-18

Spark plug

Key-hi-pro

Carburetor gasket pl

Wheel asm comp-7x1

Fuel Cap-Red. This cap has been re-designed by MTD and no longer has a foam baffle inside.

Retaining pin

Screw, 1/4-20 x .625

Screw, 1/4-20 x .5

Honda engine oil, SAE 10W-30, One quart

Valve cover gasket

Zama carburetor rebuild/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 rough. It is often possible to repair the carburetor if it is clogged.

Air cleaner cover

Hex nut, 5/16-18 Thd.
If you’re serious about your garden, a Yard-Man tiller, like the 21AB454B701 model, is what’s required to get the job done right. To keep your tiller on the job for this season and the next, you’re going to need genuine manufacturer replacement parts and that’s what you’ll find at Repair Clinic. From spark plugs and carburetor components, to roto-tines, throttle levels, and control cables, we can quickly ship you the specific MTD parts that match your Yard-Man tiller. To get started, enter the full model number of your equipment in our website’s search bar to see a complete list of compatible parts. You can then refine that list down to the exact part you want by using the part category and part title filters. Keep in mind, you can always contact our Customer Service Team at 1-800-269-2609 if you need some personal assistance in locating the right part for your Yard-Man equipment.
Of course, the support doesn’t end with having the right part in hand. Repair Clinic curates a comprehensive repair help library of instructional videos, articles, and model-specific schematics to guide you through troubleshooting the problem you may be experiencing and the step-by-step process to complete the repair. With Repair Clinic as your partner, your Yard-Man tiller will always be ready for action.