Parts for Yard-Man 21A-447-401 / 1999: Drive Parts

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.

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 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 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 part is a replacement hex bolt. 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, stripped, or lost hex bolt in a variety of outdoor power equipment models. Hex bolts are a standard piece of equipment hardware named for their hexagon-shaped head. They are critical for securing together different equipment components but can easily become corroded, stripped, lost, or otherwise ineffective, requiring replacement. When working on or near any mechanical equipment, it is important to verify that it is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this hex bolt, the appropriate owner's manual and equipment diagrams should be referred to. As an authentic replacement part, this hex bolt is suitable for use on several different models of outdoor power equipment manufactured by MTD, Craftsman, and other brands. This is a genuine part made of high-quality, durable metal and is sold individually.