138-529-000 (1988) MTD Lawn Tractor - 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.

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.

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.

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 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.

It is an authentic manufacturer-sourced component which is specially designed for lawn and garden equipment. The flange bearing helps to provide a tight fit between connected components. Over time it can wear out, get damaged or lost eventually requiring a replacement. This part is made of high-quality material and is sold individually. C...Read moreheck the diagrams for your model to ensure the exact location and the correct application of this hardware.

The Hex Flange bearing, .630 inches I.D. is an OEM part. Black in color and made of metal, it is sold individually. It is installed using a wrench or socket and its installation has been rated as Easy by consumers. This part attaches on the worm gear shaft in the cute, and is used to secure the worm gear on the shaft. If broken, you wil...Read morel no longer to be able to control the chute (or you may only have partial control). This breakage can occur due to fatigue over time, and means the part must be replaced. Refer to your owners manual or model number to ensure you are purchasing the correct part.

This Flat Washer is made of durable gold-colored metal and is an authentic OEM part. It is used to spread the load under a bolt or nut and is sold individually. This part will need to be replaced if you notice any signs of cupping, corrosion, or other damage. Customers rate this repair as Easy.

This is a genuine replacement part manufactured for use with outdoor power equipment. The screw includes a lock washer and is commonly used to secure the motor to the frame. This screw has various applications based on the model of the machine it is used with. The screw is sold as an individual replacement part, please see model diagram for part location and usage.

This special jam nut is sourced directly from the original equipment manufacturer for use with MTD and Ryobi lawn and garden equipment. It is a standard hardware which has multiple applications depending on your tool, please refer to appropriate diagrams for correct location and use of this part. It is made of high-quality metal and it is sold individually.

It is a genuine item that is supplied by the original manufacturer for use with a variety of lawn and garden equipment. A washer is a special part which helps to provide a tight fit between connected components. It is a standard hardware which may have multiple applications. This part provides an identical replacement for a damaged or a m...Read moreissing hardware that was installed on a new unit. Check the diagrams for your specific model for the exact location and the correct application of this flat washer. Note, it is made of durable metal and is sold individually.