511-059E400 (1991) MTD Lawn Mower - Overview

This silver metal lock washer helps prevent the nut on the drive belt pulley shaft from backing off during operation, it has a 5/16-inch inner diameter and a 1/2-inch outer diameter. one washer is included, replace it if fatigue or damage allows the connected shafts to spin freely, verify fit using the equipment model or owner manual

It is a genuine item which is supplied directly from the original equipment manufacturer for use with Yard Machines and MTD lawn mowers and garden tractors. This is an identical replacement for a missing or faulty screw which was installed on a new unit, please make sure to refer to the appropriate diagrams of your model for the correct l...Read moreocation and application of this hardware. Keep in mind this durable part is made of high-quality 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 is a genuine OEM sourced replacement screw which is commonly utilized on MTD and Yard Machines lawn and garden equipment. It is a standard hardware which has multiple applications depending on the model of your unit, please make sure to check appropriate diagrams for correct location and use of this screw. This durable metal hardware is sold individually.

This manufacturer-certified Hex Bolt, measuring 5/16-18 x .75 inch, is a gold, metal, individually sold bolt. It can be installed using a wrench or socket and torque wrench, by tightening to manufacturer specifications. If damaged (likely due to fatigue) the threads will be stripped, or the ends rounded off. If broken or missing, it sho...Read moreuld be replaced. Refer to your owners manual or model number to ensure you are purchasing the correct part.

The flat washer goes between the drive shaft and the flange bearing. It is an authentic OEM sourced item which is specially produced for use with lawn tractors and tillers made by MTD, Ryobi, Yard Machines, Troy-Bilt, Bolens, Yard Man, and Cub Cadet. This item is made of metal and is available as an individual replacement part. A wrench a...Read morend a set of pliers may be helpful when replacing this part. This washer may become broken and will need to be replaced.

This is an authentic replacement part generally used on a variety of lawn and garden equipment. It is sourced from original equipment manufacturer and it is sold individually. This nut is a standard hardware which has multiple uses based on equipment. Please refer to appropriate diagrams for correct use/application of it. Please note you would need a wrench when working with this left hand threaded nut.

This OEM spring bell washer is a small, circular piece of metal that is shaped like a cone and has an inside diameter of 1/4 of an inch. It is also called a Belleville washer or a disc spring, and it is used in lawn equipment to help spread out pressure and absorb shock between parts. If a washer is broken, it may look flattened or distor...Read moreted, and your machine may make unusual vibrations or noises. If you do not replace a damaged spring bell washer, your machine will wear out faster because there will be nothing to cushion its parts. To remove a washer, you can use pliers or a flathead screwdriver to pry it from your machine. If it is difficult to remove, you can use a penetrating oil to loosen it first. To make sure you purchase the correct number of washers, which are sold separately, check your user guide to see where they are needed in your machine.