MDL111-518R129 (1991) MTD Lawn Mower - Overview

The Lever and Knob Assembly (or Front Wheel Height Adjuster) is used to adjust the front height of the mower, and attaches on the front wheels. It can be installed using a socket set and wrench set, and is rated as "easy" to install by our customers. If broken or damaged (likely due to general wear over time) you will no longer be able to...Read more move it to make adjustments, and the part should be replaced. This black, plastic part is sold individually. Refer to your make, model and diagrams to ensure this part fits your machine.

This replacement shoulder screw is designed to secure push mower wheels to the axle. It is an authentic OEM hardware made out of metal and sold individually. Shoulder bolts are machine screws with an integral shoulder or journal between the head and thread. When installing or removing this shoulder screw you would need a properly sized wrench.

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 is an original replacement part manufactured for use with walk-behind lawnmowers. The metal rope guide mounts to the side rail of the handle, and is secured by a handle knob. The rope guide keeps the starter rope on the upper handle for ease of access, and to keep the rope out of the way while operating. The rope guide is sold individually.

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 is an authentic replacement part that has been sourced from the original manufacturer to be used with trimmers and lawnmowers from Ryobi and MTD. The metal nut is used with different types of machines and the application of the nut can vary based on the model of the equipment. It is recommended to verify the parts compatibility and u...Read moresage by reviewing your models diagram. This nut is available as an individual replacement part. A hex socket wrench and a driver are needed when installing this part.

The wave washer goes between the flat washer and the rear wheel. This is an authentic OEM part for trimmers and mowers made by Ryobi, MTD, Yard Machines, Troy-Bilt, Bolens, Yard Man, and Cub Cadet. This item is sold individually and is made of metal. It may require a set of pliers during installation. It may become bent or broken and will need to be replaced.

This is an OEM part sourced directly from the manufacturer. The tap screw is designed for use in lawn mowers, lawn tractors, and tillers from MTD, Ryobi, and Yard Machines. 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 used in the ma...Read morechine. Refer to the parts diagram to be sure of ordering the correct part. You may require an Allen wrench or hex key when replacing this part. This item is sold individually.