Parts for Mtd 21AA412A052: Drive System Parts

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 is a hex screw used on a variety of types of lawn and garden equipment. On large machinery, it is often used to mount the gas tank. On smaller items, it tends to be used to clamp the housing together. It can secure items like plastic, metal, brick, and wood together. It measures 5/16-18 x .75 inches and is made of durable metal. In some cases, the screw can become damaged, broken, or stripped, which means it needs to be replaced.A visual inspection will indicate whether the screw is damaged. If it needs to be replaced, a hex wrench can be used to remove it from the equipment. Afterward, the replacement hex screw can be installed with the wrench before being tightened to ensure materials hold together well.This hex screw is a genuine OEM part that is sold individually. It is sourced directly from the manufacturer. The hex screw is compatible with lawnmowers, wood chippers, log splitters, snowblowers, chainsaws, edgers, tillers, leaf blowers, and string trimmers by Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Husky, Broan, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Turf King, Yard-Man, and MasterCut.

This tap hex screw is a genuine MTD part, sold individually. A tap hex screw can be used as a replacement part for outdoor appliances including lawn mowers, tillers, and edgers. This is a small fastener.The tap hex screw for one of these outdoor appliances might be subject to damage or to a loss or misplacement that can necessitate the full replacement of the screw. Refer to the manual for detailed instructions.This OEM part is a genuine replacement that is sold individually and sourced directly from the manufacturer. This tap hex screw is compatible with the following outdoor appliance brands: MTD, Craftsman, Toro, Cub Cadet, Troy-Bilt, Murray, Yard Machines, Huskee, Montgomery Wards, Bolens, Yard Man, Turf King, and MasterCut.

This is a replacement tine assembly. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part can be used to replace a broken, bent, or defective tine assembly on various tiller models. The tines are the rotating blades that dig into the soil as the tiller moves across the ground. Because the tine assembly comes into contact the ground, it is subject to significant wear and tear. Tillers that are regularly used on hard ground are particularly likely to have damaged tines. It is always recommended that the appropriate safety precautions are adhered to when attempting to fix any power tools or machinery. Proper tools may be required to replace this part. For more accurate information on how and where to install this tine assembly, the appropriate owner's manual and included diagrams should be referenced.As an authentic replacement part, this tine assembly is suitable for use on several different models of tillers manufactured by MTD, Husky, Master Cut, and Yard Machines. This is a genuine part made of high-quality, durable, non-corrosive materials and is sold individually.

This is a replacement tine assembly. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part can be used to replace a broken, faulty, or otherwise damaged tine assembly on a variety of tiller models.The tines are what dig into the ground as the tiller moves to help break up compact dirt and soil. This part is essential to proper tiller function but is also damaged and may require replacement. Proper tools are needed to install this part. When working on or near an engine, ensure the equipment is powered off and completely cooled down before starting any repairs. It is always recommended that the appropriate safety precautions are adhered to when attempting to fix any power tools or machinery. For more accurate information on how and where to install this tine assembly, the appropriate owner's manual and included diagrams should be referenced.As an authentic replacement part, this tine assembly is suitable for use on several different models of tillers manufactured by MTD, Yard Machines, and Husky. This is a genuine part made of high-quality, durable materials and is sold individually.

A flange lock nut, also known as a flange lock or a lock nut, is created to be used in various types of lawn and garden equipment. This flange lock nut holds other parts in place and, when properly threaded, will resist loosening. Over time, a flange lock nut may begin to weaken and may become loose or break. If it appears to be broken or weak, a replacement is required. Flange locks can be adjusted and uninstalled after use. When replacement is required, you may need a socket set, screwdriver, hacksaw, and butane torch. The socket wrench will loosen the bolt it is connected to, while the torch is used to heat the lock nut. A socket wrench may remove the nut, but sometimes cutting it with a hacksaw is required. This flange lock nut is a genuine OEM component directly from the manufacturer and comes in an individual unit. It is made of metal, a gold color, and can be found in various areas of lawn equipment. It works with lawnmowers, trimmers, snowblowers, cultivators, tillers, and leaf blowers by Poulan, MTD, Toro, Cub Cadet, Murray, Troy-Bilt, Bolens, Yard Machines, Craftsman, and Yard-Man.

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.

This is a genuine OEM engine pulley sourced directly from the manufacturer for use on tiller engines and other engines with a pull start. The starter cord is attached to a pulley that has a spring for rewinding the cord after the engine starts. If the engine pulley is damaged due to rust or corrosion and the string won't pull, the engine won't start. The pulley may make screeching or whining sounds when pulled, this is one way to recognize that the pulley is beginning to go bad and should be replaced soon.Before replacing the pulley, make sure the engine is cool and remove the spark plug. Remove the starter housing to access the rope starter and pulley. Disassemble the pulley system and discard the old pulley. Reinstall the new pulley and thread the starter cord back around it. Reassemble the housing and put the spark plugs back so that you can test the starter. This engine pulley is made of heavy-duty steel and sold as an individual unit. It is designed to be compatible with small engines manufactured by Craftsman.

This engine pulley outer half is a genuine MTD part, sold individually. This engine pulley outer half can be used as a replacement part for a tiller. The purpose of an engine pulley outer half is to function in conjunction with the engine pulley inner half to form the pulley for a tiller, which affixes to the crankshaft and facilitates the driving of the belt.The engine pulley outer half might have to be replaced at some point in the lifespan of a tiller if the component is not functioning as it usually does. This could occur if the component suffers damage in the form of puncturing, cracking, breaking, or eroding. If this occurs, the component should be removed and replaced by this genuine OEM replacement part. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. Always unplug the appliance before performing any kind of repair or replacement.This is an OEM part sourced directly from the manufacturer. It is sold individually. This engine pulley outer half is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Yard Machines, Huskee, Bolens, Yard Man, and MasterCut.

This part is a replacement V-belt. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part's intended use is to replace a broken, snapped, or otherwise defective V-belt in lawn mowers and tractors.The V-belt, or transmission belt, transfers torque from the engine to power the equipment. Belts are subject to significant wear and tear, causing them to wear down, become brittle, or snap, requiring replacement. 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 V-belt, reference the appropriate owner's manual and specific equipment diagrams.This is an authentic OEM replacement part made of high-quality materials. This V-belt can be used with lawnmower and lawn tractor models that have been manufactured by MTD, Yard Machines, Bolens, Troy-Bilt, Yard Man, and Husky. Sold individually.

This replacement part is a pulley, and it is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. This pulley is specifically found in lawn mowers and is an essential part of the mechanisms inside the device. A pulley allows two things to be looped together and is responsible for the type of force that is used inside the engine. A new pulley might be needed if the current one is damaged or broken. Be sure the actual pulley is the faulty part rather than the belt or other parts around it. Because the pulley deals with so much friction overtime, it is commonly replaced due to being stripped down. Be sure the engine is cooled off as the pulley and surrounding parts are usually hot because of friction.This part is sold individually and is a genuine OEM part sourced directly from the manufacturer.

This is a replacement bell washer, a flat washer that can be used with a wide range of various types of lawn and garden equipment. The inner dimension of this washer is 0.40 inches, while the outer dimension is 0.88 inches. Washers are typically used as a way to help ensure a tight connection when used with bolts or screws. They will also help to distribute the pressure of the connection and reduce the risk of corrosion. Washers will also provide some protection from damage during installation. Washers could need to be replaced for any number of reasons. In some cases, they might have become corroded or worn down over time. This could mean they no longer provide a solid and secure connection. Other times, the washer could become lost while working on the machine. Owners should always be sure that they replace any lost or damaged washers right away. Not using washers can reduce the lifespan of the machine. This is a genuine OEM bell washer that is sold individually. It is typically used in lawn mowers, snowblowers, tillers, leaf blowers, string trimmers, log splitters, wood chippers, edgers, and chainsaws. It is compatible with Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Husky, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, Turf King, and MasterCut brands.

This replacement part is a hex screw. It is a genuine replacement part made by MTD. Hex screws are able to hold other parts in place and secure them so that everything can operate smoothly. This part is small yet very important to the overall operation of many different machines.A new hex screw might be needed if the user notices that the current ones are damaged or missing. The repair should be fairly easy, only requiring a screwdriver or pliers if the previous screw is stuck. It is possible that screws become stripped or lodged over time and should be replaced when this occurs. Be sure the engine is completely powered down before starting a repair. This is a genuine OEM replacement part sourced directly from the manufacturer. This screw is sold individually. Be sure to purchase the correct amount as many appliances require more than one.