21B-392A004 (2011) MTD Tiller - Overview

This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws...Read more used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.

This nut is a manufacturer-approved replacement part for various lawn and garden equipment. It is sold individually, not as part of a kit or assembly. Also referred to as a Lock Nut, it is resistant to loosening when threaded on a bolt. It has a variety of applications and is used in multiple locations on most models. Please refer to your...Read more owners manual to determine the exact location. While made of durable metal, the ends can round off from improper use of a wrench or socket. Depending on the location, this part may also become worn through regular use of your machine. It should be replaced when visibly cracked, worn or damaged. To complete this repair, you will need a wrench or socket, and a torque wrench. Ensure you torque the bolt according to the manufacturer recommendations. Customers rate this repair as Easy.

The Jamlock Nut is a 3/8-16 inch metal nut which can be installed using a socket or wrench set. It's used to secure and lock parts in place. If the part is damaged and comes loose it should be replaced. This is an authentic part authorized by the manufacturer.

This air cleaner cartridge is designed for small engines to effectively filter dust, dirt, and grass debris from the intake system. Featuring a flat, pleated paper design, it helps maintain proper airflow for smooth engine operation and dependable performance. It’s an easy, drop-in replacement for routine maintenance, supporting cleaner combustion and longer engine life.

Sourced directly from the original manufacturer, this Bell Washer is made of gold-colored metal and is sold individually, not as part of a kit or assembly. It is used to provide spacing between various part assemblies along a shaft. If you hear a strange noise coming from the shaft area, or you notice the Washer is visibly worn or damag...Read moreed, it will need to be replaced. Refer to your owners manual to determine the exact location of this part. Customers rate the difficulty of this repair as Medium.

This silver metal lock washer helps prevent the nut on the drive belt pulley shaft from backing off during operation, it has a 5/16-inch inner diameter and a 1/2-inch outer diameter. one washer is included, replace it if fatigue or damage allows the connected shafts to spin freely, verify fit using the equipment model or owner manual

This is an original part from MTD. This high-quality item was designed for use in lawn tractors and is used to deliver the electric current from the ignition system to the internal combustion engine. Over time spark plugs will get dirty or fouled requiring replacement. Please make sure to check the appropriate diagrams of your model for t...Read morehe correct location and application of this hardware. One item is included per order.

This cotter pin, also known as a bow tie cotter pin, is a genuine OEM part that is designed for use with lawn and garden equipment. Made of metal and measuring 1.875-inches long, this pin snaps into place and fits within shafts measuring 0.3125-inches to 0.375-inches. This pin can fall out due to vibrations or by being knocked off, so che...Read moreck your user manual for exact replacement of this pin. This part is sold individually.

This depth bar is a genuine OEM replacement designed for front-tine garden tillers. It mounts at the rear of the tiller and regulates how deeply the tines penetrate the soil, giving the operator consistent control over tilling depth for different ground conditions. Finished in durable powder-black steel for long service life, it’s an idea...Read morel replacement when the original depth stake is bent, worn, or broken, helping restore proper tiller performance and uniform soil cultivation.

This is a MTD and Yard Machines replacement part directly sourced from the manufacturer for use in lawn mowers. The left hand inner tine goes next to the left hand outer tine. It might require a set of pliers and a hammer to replace this item. It will need to be replaced if it breaks or cracks. This part is made of metal and is available individually.

This right-hand inner tine assembly restores proper soil-cutting performance on front-tine rototillers by replacing a bent, worn, or broken tine. Its durable steel construction is shaped to aggressively break up compacted soil, weeds, and turf, helping achieve effective tilling and cleaner seedbed preparation. Suitable for routine mainten...Read moreance or repair, this tine helps maintain balanced tiller operation and consistent cultivation results when one side becomes damaged or excessively worn.