21AE492K766 (2017) Troy-Bilt Tiller - Parts

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 component is made for use with walk-behind rotor tillers. It is an authentic oil seal which is supplied by the original equipment manufacturer. This item helps to provide a tight seal for the ball bearing and the transmission shaft. Over time it may wear out and begin to crack eventually requiring a replacement to preven...Read moret oil leaks. For the exact location and the correct installation check the diagrams of your model. This high-quality oil seal is made of a durable rubber material with a metal casing and is sold as an individual component. You will need wrench set and a tool to pull off the old seal when performing this repair.

Ensure your tiller operates smoothly with the Troy-Bilt Forward Drive Control Cable. This essential component engages the transmission to propel your tiller forward and facilitate rotating the tines when the bail arm is drawn toward the handle. Its contribution to a functional, efficient tiller is valuable. For safety and optimal results,...Read more use work gloves while installing this part. Trust in the reliability of Troy-Bilt to keep your equipment running at its best.

The reverse cable is made out of metal and plastic and is sold individually. This part is an OEM from Troy-Bilt for use in rototillers. During replacement, it may require a set of pliers to help install this part correctly. It will need to be replaced if it breaks or stretches.

This Cotter Pin is a silver 5/32x1-1/4 metal part, sold individually and certified by the original equipment manufacturer. It connects to the axel shaft after the wheel and washer have been installed but before the hub cap. It is used to prevent the wheel from falling off, and if it breaks (due to fatigue) the wheel will fall off. Check...Read more your model number for the correct size of replacement cotter pin to know you are ordering the correct model. This is a one-time use product, which should be replaced during any other repair in which it is disturbed or dislodged.

This OEM Cone Bearing, also known as a Tapered Bearing, is a silver, .75 I.D., metal part. Sold individually, it attaches inside the wheel hub, and customers have rated the installation as Medium Difficulty. It is recommended to pack the bearing before installation. This part reduces friction on a moving part, inside of a stationary par...Read moret. When it breaks, you will hear a grinding, growling or squealing sound. It must be replaced when worn or damaged (such as if there are scores on the rollers or on the mandrel).

This is an original replacement part sourced directly from the manufacturer. The flat washer is commonly found in tillers from Troy-Bilt, Yard Machine, and MTD. This part is generally used to help secure the drive shaft assembly in the transmission suspension housing. Please be aware that there are different washers used in the machine...Read more. Refer to the parts diagram to be sure of ordering the correct part. You may require a wrench and pliers when replacing this item. The flat washer is sold as an individual replacement part.