Parts for Troy-Bilt 21A-643C711: Bumper / Wheel Assembly Parts

This replacement forward drive v-belt connects to the transmission in certain types of lawn and garden machines and allows the machine to move forward when it is in use. Over time, the belt could start to have issues. In some cases, it may begin to crack and dry out. It could start to flake away and fall apart, which means it will need a replacement. Other times, the belt could simply snap or no longer fit properly. Owners should inspect the forward drive v-belt in their machine regularly to ensure it is in good condition. Before installing a new belt, they should clean the pulleys to ensure the best performance. The genuine OEM forward drive v-belt is sold individually, and it works well for many models of tiller and walk-behind mower. Compatible brands include MTD, Husky, Yard Machines, Troy-Bilt, and Cub Cadet. Buyers in need of a forward belt should always ensure they are getting the right belt for their machine.

This screw is used on a variety of lawn and garden equipment from many manufacturers. This hex screw is a large bolt that has a six-sided head that can be used to fasten metal to wood or wood to wood. This type of screw is unique from traditional screws because the bolt head needs to be held with a socket while a second wrench is used to tighten or loosen the part. The bolts have a smooth shank and small threads. These screws can break or become damaged and no longer do their job. When that happens, they will need to be replaced. A hex key wrench can be placed into the slot of the screw and turned counterclockwise to loosen up the bolt. The replacement hex screw can then be placed in the original hole to adhere parts together on lawn equipment. This is a genuine replacement OEM screw that is commonly used on Craftsman, Toro, Murray, MTD, Yard Machines, Troy-Bilt, Bolens, Yard-Man, MasterCut, Cub Cadet, and Huskee lawn mowers, log splitters, snowblowers, chainsaws, tillers, and string trimmers. The screw is sold individually and made of durable metal.

A hex screw fastens and holds two components together. It has a hexagonal head and features threading starting underneath the shoulder down to the tip. Its all-metal construction offers rigidity and longer lifespan. It is also threaded, so you can conveniently loosen or tighten in position. It measures 1/4-20 x 0.5 inch and comes in brass or gold color. Take note that this replacement hex screw may beused in different locations of a machine. Double check the device’s model number for compatibility. To install this hex screw, you will need a hex wrench or a hex socket. This hex screw is a replacement made by MTD. This screw/bolt may be used on lawn mowers, snowblowers, tillers, string trimmers, leaf blowers, edgers, chainsaws, pole pruners, log splitters, or wood chippers made by Craftsman, Toro, Cub Cadet, Ryobi, Troy-Bilt, Husky, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, Turf King, or MasterCut. This OEM hex screw is sold individually.

This lock washer is used frequently for a number of applications on power yard equipment. The size, 5/16, is the default for many small engine housing and manifold applications. Lock washers are used with machined bolts to fasten engine blocks to the housing of the equipment being used. The compressed washer is able to handle the constant vibration of the small gasoline engine without losing the seal between the screw or bolt and the housing. Typically these lock washers only need to be replaced when they are misplaced during repairs or when the screws that attach them have to be chiseled or cut away, meaning the washers are destroyed as well. These OEM certified replacement washers have been manufactured to the same specifications as the originals they are replacing. In addition to lawn mowers, lock washers of this type and size are frequently used on blowers, lawn tractors, cultivators, snowblowers, and trimmers. Brands compatible with this type of washer are Murray, Husky, Poulan, Bolens, Yard-Man, Cub Cadet, Troy-Bilt, Yard Machines, MTD, and Ryobi.

Screw hex caps are found on lawn equipment and other small machines. Over time, with the machine's use or following accidental damage, a screw hex cap may break or become loose. In order to continue safely operating the machine, the part must be replaced. A missing or damaged screw hex cap can cause the equipment to move in unpredictable ways. Check for excessive vibration or noise.Always wear gloves for protection when replacing parts on lawn equipment. Tools required may include a socket set, wrench set, and a screwdriver. Screw hex caps are quick and easy to replace. Make sure that the replacement screw hex cap is installed correctly and properly secured for a tight and long-lasting fit.This screw hex cap is an authentic OEM replacement part. It is supplied by the manufacturer. The replacement screw hex cap is made of durable metal and is gold in color. The replacement piece can be used in a variety of machines, including chippers, shredders, cultivators, edgers, lawnmowers, lawn tractors, and snowblowers. The screw hex cap is compatible with Husky, Cub Cadet, Ryobi, Bolens, Yard Machines, Yard-Man, Troy-Bilt, and MTD. It is sold as an individual unit.

A flange nut's unique wide flange design distributes the nut's pressure over the part it is securing. In return, it creates an even fastening surface, which reduces part damage and nut loosening. This one-piece all-metal fastener has a lock nut version that features a protruding circular flange. This drastically increases bearing surface, compatibility either for irregular or oversized holes, and surface tension reduction. Flange lock nuts are the preferred type of fastener for many lawnmower models because it can provide better fastening than regular screws, which are known to loosen under extreme vibration. However, it’s important to know that flange lock nuts are susceptible to wear and tear due to constant vibration exposure. It is essential to replace the broken flange lock nut immediately to prevent serious damage to the lawnmower. The MTD 712-04063 Flange Lock Nut OEM replacement can be used with Craftsman, White Outdoor, Yard Machines, MTD, or Columbia lawnmowers. It is a genuine or OEM MTD replacement part that measures 5/16-18. It is threaded and requires the use of a wrench. This replacement flange lock nut is sold individually. An MTD bolt carriage may also be needed and is sold separately.

This klik pin is used as a fastener on various lawn equipment such as tillers and lawnmowers. It is often used as a way to hold the wheel onto the assembly so the equipment can easily move over rough terrain. If the tool is having trouble with terrain and movement, it could be related to the klik pin. It may have become bent, damaged, or broken. If those things occur, or the klik pin is missing, it will need to be replaced.Getting access to the klik pin is fairly easy. It will be securing the wheel to the axle and will need to be pulled off. A quick look at the pin will give an idea of whether it is damaged or broken. If it is, the solution is to replace the part with a new klik pin. This klik pin is a genuine OEM replacement part that is directly sourced from the manufacturer. It is sold as an individual component. The pin is made to be used in lawnmowers, edgers, snowblowers, and tillers created by Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, and MasterCut.

This part is a replacement wheel assembly. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part will replace a broken or defective wheel assembly in several tiller models.The wheel assembly ensures that the tiller can be maneuvered efficiently by the equipment operator. Wheels are particularly subject to wear and tear and may require replacement before the standard lifespan of the equipment. A wheel that is punctured, dented, flat, or worn may prevent the tiller from proper operation. It's important when working on or near an engine to make sure the equipment is powered off and completely cooled down before starting any repairs. Access to proper tools is recommended before attempting this part installation. For more accurate information on how and where to install this wheel assembly, reference the appropriate owner's manual and specific equipment diagrams.This is an authentic OEM replacement part made of high-quality materials. This wheel assembly can be used with tiller models that have been manufactured by MTD, Troy-Bilt, Yard Machines, and Husky. Sold individually.

This tubeless air valve attaches to wheels, allowing air into and out of the tires on various lawn equipment. Regularly replacing this part is considered a part of routine maintenance. Make sure that you use appropriate pliers and other tools for easy installation. Be sure to use gloves when replacing these valves and work with caution so as not to damage the sensitive parts. This OEM tubeless air valve can be the perfect fit for compatible wheels on equipment such as lawn mowers, snowblowers, tillers, edgers, log splitters, and wood chippers. It is designed for use with select models from MTD, including Craftsman, Troy-Bilt, Bolens, Remington, Yardman, RYOBI, Husky, Power Pro, and many others. There is a limited parts warranty on this valve, which is made of durable rubber and metal and designed to offer a high-quality replacement. Sold individually.