Parts for Ryobi 21AB454B034 / 2003: Gear Case Parts

This shaft assembly is a genuine MTD part, sold individually. This shaft assembly can be used as a replacement part in a tiller. The purpose of the shaft assembly in a tiller is to provide a shaft upon which the tines can affix so that the tiller can be used to bore into the soil and loosen it for proper gardening and planting.The shaft assembly in a tiller might need to be replaced if it can no longer keep the tines properly affixed or that it suffers enough damage to render it beyond functionality. The shaft assembly could suffer this damage as a result of general wear and tear over long-term use, from a direct impact collision with a hard object such as a rock or a curb, or from exposure to the elements. If this damage occurs, the shaft assembly should be removed and replaced by this genuine OEM replacement part.This component is a genuine OEM replacement part sourced directly from the manufacturer. It is sold individually. This shaft assembly is compatible with the following outdoor appliance brands: MTD, Ryobi, and Craftsman.

This replacement part is a sprocket assembly intended for use in lawn equipment. This is a genuine replacement part made by MTD. This part ensures that gears and wheels are functioning properly.A new sprocket assembly might be needed if the current one is damaged or broken in any way. It is not unusual for this part to require replacement after years of normal use. Be sure the appliance is completely powered down and cooled off before attempting to replace this part. For more detailed instructions on how to replace this specific part, please reference the user guide or manual for the appliance. This is an OEM part sourced directly from the manufacturer. It is sold individually. This replacement part is compatible with lawn equipment made by MTD.

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 replacement part is a hex screw, and it is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. This screw can be used in a variety of ways depending on the repair needed. Hex screws are similar to normal screws except they have a six-sided head, like a hexagon. A new hex screw might be needed if the current one is damaged or missing. It is common that screws may become stripped or loose overtime, causing them to fall out. If any parts of the lawn mower are becoming loose or falling off, the hex screw might be missing. This replacement should be fairly easy and should only require a screwdriver and possibly pliers. This part is a genuine OEM replacement part and is sold individually. Be sure to purchase the correct amount as some appliances require more than one hex screw.

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 is a flange nut that can be used in a variety of lawn and garden equipment from different manufacturers. The nut is made of metal, measures 5/16x18, and is used to secure components in place. It also assists with preventing backing out caused by vibration. Over time, the flange nut can become damaged and will need to be replaced. If the flange nut in lawn and garden equipment has become damaged, is loose, or gets lost, then replacement is required. The level of difficulty of replacing a flange nut depends on which parts it's securing and what kind of equipment it is installed on. This flange nut is an OEM replacement part that can be used with lawn mowers, snowblowers, wood chippers, tillers, log splitters, leaf blowers, and edgers by MasterCut, Craftsman, Yard-Man, Toro, Bolens, Cub Cadet, Montgomery Wards, Ryobi, Huskee, Troy-Bilt, MTD, and Yard Machines. It is sold individually and will require a wrench or socket for installation.

This replacement part is a gear spur, and it is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. Gear spurs are found inside many different types of machinery and are important to the overall workings of the device. Gear spurs are different from other gears as they have ridges along the edges allowing the gears to turn in one direction rather than the other. A new gear spur might be needed if the user hears unusual noises coming from inside of the engine. It is possible that the ridges on the outside of the gear can become stripped overtime and it might be best to replace this part. Be sure the engine is completely powered off before starting this repair as it can become dangerous if the gears are activated. This part is a genuine OEM replacement part. This gear is sold by itself and sourced directly from the manufacturer.

This replacement part is a spur gear. This is a genuine replacement part made by MTD. This small gear is very common in different types of machinery and appliances. There are ridges around the edge that allows it to be connected so that energy is created inside the engine.A new spur gear might be needed if the user notices unusual noises coming from inside the engine. This can mean the spur gear is no longer able to lodge into place and assists in turning other gears. It is common for spur gears to become worn down over time and need to be replaced. Refer to the proper user manual for more information on how to replace this part.This part is a genuine OEM replacement part to ensure proper fit and long-lasting use. This part is sold individually and is sourced directly from the manufacturer.

This part is a replacement shaft. 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 or defective shaft in a variety of tiller models.The shaft is critical to proper tiller function but can become damaged, dented, bent, or otherwise rendered ineffective, particularly with regular equipment use on rough terrain. Thus, the shaft will need to be replace for the tiller to function as intended. It's important when working on or near to an engine to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this shaft, the appropriate owner's manual and equipment diagrams should be utilized.As an authentic replacement part, this shaft is suitable for use on several different models of tillers manufactured by MTD, Craftsman, and other brands. Please This is a genuine part made of high-quality, durable materials and is sold individually.

This replacement part is a jack shaft. This is a genuine replacement part made by MTD. Jack shafts are common in appliances that require some type of rotational force. This part is able to transfer rotational energy so that the machine can run smoothly and properly during use. A new jack shaft might be needed if the machine is not operating as smoothly as during prior uses. This can be due to a faulty jack shaft and should be replaced if this is the case. Work gloves are always recommended when working with parts near the engine. Be sure the engine is fully shut down before completing this repair. This jack shaft is sold individually and is sourced directly from the manufacturer. This part is a genuine OEM replacement part to ensure proper fit and long-lasting use.

This ball detent is a genuine MTD replacement part for appliances operated by small engines, including lawn tractors, lawn mowers, snowblowers, leaf blowers, chipper shredders, and tillers. The function of a ball detent is to temporarily keep two parts in place relative to one another, as one or both of the parts rotate.A ball detent might have to be replaced in the event that it suffers damage over time or is lost or misplaced. It is possible for ball detents to fall out of their spot, meaning that the parts that it ordinarily holds in place will not be able to rotate properly. Additionally, a ball detent might have to be replaced if there is material deterioration. If this occurs, a replacement ball detent part should be ordered and secured to the small engine appliance immediately. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This ball detent is compatible with the following brands: MTD, Yard Man, Yard Machines, and Troy-Bilt.