138-478R013 (1988) MTD Lawn Mower - Overview

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.

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.

This snowblower drive belt transfers power from the engine to the wheel drive system, allowing the machine to move forward and backward during operation. Built to handle high torque and cold conditions, it helps maintain consistent traction and smooth engagement. Replacing a worn or slipping belt restores reliable self-propelled movement and proper drive performance.

This Throttle Control Wire is a 55-inch black Throttle Cable, made of metal with a rubberized casing. It's rated as "Easy" to install, attaching from the throttle control to the carburetor, and requires both pliers and a screw driver. This cable controls the speed of the engine. If broken or damaged (due to typical wear from use) you will...Read more lose control of the engine speed, and the part must be replaced. Refer to your make, model and diagrams to ensure this is the correct part.

It is an authentic component which is specially designed for Little Wonder equipment. This is an identical replacement for a damaged or a missing wheel that was installed on a new unit. It helps to support the equipment allowing for easy transportation. This high-quality wheel assembly is sold as an individual item. Check the diagrams for...Read more your model to ensure the correct repair procedure. A wrench will be needed to replace this wheel. Note, the hardware to secure it is sold separately.

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.

This genuine component is supplied directly from the original equipment manufacturer for use with Ryobi and MTD lawn and garden equipment. It is a standard hardware which may have multiple applications, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hex washer screw. Ke...Read moreep in mind this high-quality part is made of durable metal and is sold individually.

This is a genuine OEM sourced part which is specially designed for use with lawn and garden equipment. It is an identical replacement for a missing or a faulty bolt that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind t...Read morehis high-quality hex bolt is made of durable metal and is sold individually. Note, you will need a wrench to secure or remove it.

This lower handle assembly forms the base of the operator handle on walk-behind outdoor power equipment. It bolts directly to the deck or frame and provides structural support for the upper handle used to steer and control the machine. Replacing a bent or damaged lower handle restores proper handle alignment, stability, and safe operation.

This Bell-Wash Flat Washer is an OEM part that measures .40 inches I.D. x 88 inches O.D. This washer is a silver, metal, washer sold individually. This part is rated as Easy to install by customers. If missing or damaged (likely due to fatigue) it should be replaced. Refer to your owners manual to ensure this is the correct part for you.

This item is priced as an individual replacement part. The wheel is made out of plastic. A wrench may be helpful when replacing this item. It may become broken and will need to be replaced. This is an OEM part directly sourced from the manufacturer for use in lawn mowers made by MTD, Yard Machines, Troy-Bilt, Bolens, and Yard Man.