21B-34M8B66 (2023) Troy-Bilt Tiller - Overview

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 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 OEM Top Locknut measures 5/16x18, is made of metal, and it isused to secure parts in place and prevent backing out from vibration. Replacing this part varies in difficulty depending on the part it is securing and the equipment in question, but it is generally an easy job according to our customers. Installation requires a wrench or socket.