21B-39M8704 (2013) 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.

This high-quality fuel bowl O-ring is a genuine replacement part supplied by the original equipment manufacturer for use with lawn and garden equipment. It is designed to create an airtight seal for the fuel bowl, helping to prevent leaks and maintain proper engine performance. Over time, the O-ring may shrink, crack, or degrade, requirin...Read moreg replacement to ensure continued reliability. Made from durable rubber, this part is sold individually and includes one O-ring per order.

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.

The fuel tank nipple, also referred to as a fitting, connects the fuel tank of your lawn equipment to its engine fuel line, allowing fuel to reach the engine. If you observe fuel leaks or a loose connection, the nipple may be damaged and requires replacement. When removing the old fuel tank nipple, ensure the tank is empty and the engine ...Read moreis turned off. Use a wrench or pliers to detach the nipple. This high-quality OEM replacement part is sold individually.

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 authentic OEM air filter assembly includes a pleated paper air filter and a foam pre-filter. It is located in the air cleaner housing of your lawn equipment. Its purpose is to filter out dust and debris, ensuring that the engine receives clean air for efficient fuel combustion. If your filter is clogged or torn, it is necessary to re...Read moreplace it. A clogged or damaged filter can cause difficulties when starting your machine. It can also lead to increased fuel consumption, costly repairs, and potential engine failure. To replace the filter, locate the air cleaner housing, remove the cover by pressing the push tab and lifting it up, then take off the air filter from its base. This assembly is sold individually.

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 is an authentic replacement part manufactured for use with outdoor power equipment. The carburetor gasket is used to form a seal between the carburetor and the air intake box. It is recommended to replace gaskets when servicing the carburetor to ensure good seals when the parts are reassembled. This gasket is sold as an individual replacement part.