850-3 MTD - Overview

This carriage bolt measures 5/16-18 x .75 and fastens two parts in your machine together. It has a round domed head and a square underside so the bolt does not rotate once it has been secured into place. If it has signs of deformation or wear, you will need to replace it. To unthread this bolt, you need an adjustable wrench to loosen the ...Read morenut found on the end of the bolt. You may need to apply a lubricating oil to the bolt if it is stuck. You may need to clamp down on the head of the bolt with pliers while continuing to turn the nut counterclockwise. You can then slide the carriage bolt out of its hole or tap it gently with a hammer. This bolt is a standalone product and the nut is not included. This bolt was sourced directly from its manufacturer.

This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws...Read more used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.

The Throttle Box Assembly, or the Throttle Assembly, is a kit that includes the housing, handle, and hardware. It is black and constructed of steel and plastic. It can be installed onto the right hand upper handle, using a screwdriver and pliers, and is rated as Medium difficulty to install. This kit contains the parts that control the ...Read moreamount of the air and fuel entering the engine. When the part breaks (likely due to fatigue) you will no longer be able to control the engine. If nothing happens when you move the handle, that means it has become disconnected. When the part is broken it must be replaced. Check your model number to ensure you are selecting the correct replacement part.

This chute flange keeper is sourced from the original equipment manufacturer for use in snowblowers. The plastic keeper allows the snowblower chute to pivot, and secures the flange that connects the chute to the blower frame and holds it in place during use. Over time the flange keeper can break or fall off, which causes the chute to disl...Read moreodge or shift from its position. If you notice that debris is discharged in the wrong direction, and you have difficulties adjusting the chute then this is a sign that the flange keeper is no longer functioning as it should. Clean the chute flange and surrounding area before placing the new keeper on. Use a pair of pliers to align the the holes on the flange keeper with the holes on the chute and lock it in place.

This is an authentic OEM part for Craftsman lawn and garden equipment. This bushing has an internal diameter of 0.380", is made of durable black plastic, is not part of an assembly or kit, and is sold individually. The purpose of this bushing is to ensure there is a tight fit between parts. A common sign this part needs to be replaced i...Read mores if you notice any parts loosely connected or detached. This part will become worn through regular use of the machine. It is located in various areas, depending on your model. Refer to your owner's manual for the exact location. You will need a wrench and pliers to complete this repair. Customers rate this repair as Medium difficulty.

Made of durable silver plastic, this Flange Bearing is an authentic manufacturer-source replacement part for hundreds of models of lawn and garden equipment. It is used to allow a shaft to connect while moving smoothly and freely and is sold individually. When this part malfunctions, you may notice the shaft becomes very sloppy or comes...Read more disconnected. To complete this repair, you will need a screwdriver, a socket set, and pliers. Customers rate this repair as Medium difficulty.

The Chipper blade attaches to the impeller and is used for cutting. Installation is rated as "Easy" and requires pliers, a socket set, wrench set, and allen wrench set. A dull blade must be sharpened or replaced. If the blade is warped or damaged, this OEM part will be the right replacement if recommended by your owner's manual.

Sourced directly from the original manufacturer, this Bell Washer is made of gold-colored metal and is sold individually, not as part of a kit or assembly. It is used to provide spacing between various part assemblies along a shaft. If you hear a strange noise coming from the shaft area, or you notice the Washer is visibly worn or damag...Read moreed, it will need to be replaced. Refer to your owners manual to determine the exact location of this part. Customers rate the difficulty of this repair as Medium.

This Star Knob, which may also be simply referred to as a Knob, is sourced directly from the manufacturer for use in lawn mowers and snow blowers. This part provides a quick-release for handles to fold down, and connect upper and lower handles. It is made of metal, is black, is not part of a kit or assembly, and is sold individually. Th...Read moreis part will need to be replaced if it has become cracked, worn, or damaged. The most common cause for this part needing to be replaced is worn or stripped threads no longer being able to grip. You will need a wrench or socket set and a torque wrench to complete this repair. It should be torqued to the manufacturer's recommendation. Customers rate this repair as Easy.

This replacement belt is sourced directly from original equipment manufacturer. It is a genuine OEM sourced item commonly used on lawn mowers and tractors. This is the the belt that drives the mower blades. Belts should be inspected periodically and be replaced if they are worn or stretched. Please note, this durable rubber belt is sold individually. To complete this repair you will need a set of wrenches.

This Washer-Lock 5/16 is a silver, metal part that is sold individually and comes direct from the manufacturer. With a 5/16 Inch Interior Diameter and 1/2 Inch Outside Diameter, it is used to prevent the nut from backing off and becoming loose on the pulley shaft, and is attached to the drive belt pulley assembly. You will know if you nee...Read mored this because your owners manual will specify it, or the model number of your machine will correspond with this part. If the part is broken due to fatigue, the shafts will free spin when they should be locked together, and must be replaced.