66101690 Parts

This flat idler pulley is intended for use with some lawn tractor models. The idler pulley fits between the pulley and the variable speed pulley. It helps to ensure the tractor is operating efficiently by providing tension and guiding the drive belt in the engine. One of the common signs of a problematic idler pulley is a squealing sound when the engine is idling.The pulley could become damaged due to wear and tear over time. There is also a chance for corrosion, although this is rare except in machines that have had the same pulleys for many years. They will need to replace problematic pulleys to make sure their tractor runs properly. The owner can replace the pulley on their own using pliers, a screwdriver, and a wrench set.The flat idler pulley is for use with select lawn tractors from MTD, Ryobi, Yard Machines, Yard-Man, and Husky. The part is sold individually. It is a genuine OEM replacement part that has been sourced from the manufacturer.

This center hex nut is a genuine MTD part, sold individually. This center hex nut can be used as a replacement part in lawn mowers, snowblowers, tillers, leaf blowers, edgers, log splitters, and wood chippers. The purpose of the center hex nut for one of these small engine outdoor appliances is to work in conjunction with a bolt to provide a fastening component for one or more parts within the internal mechanisms of the appliance.The center hex nut might need to be replaced if the small fastening component is lost, misplaced, or damaged within the typical lifespan of the small engine outdoor appliance in which it has been installed.This component is a genuine OEM replacement part sourced directly from the manufacturer. It is sold individually. This center hex nut is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, Husky, Yard Machines, Huskee, Montgomery Wards, Yard Man, and MasterCut.

The lock nut is a piece of standard hardware that may have a variety of applications on lawn and garden equipment, including on engines, housings, and other components. The lock nut offers a secure fit by tightening into a flange that prevents the nut from loosening like a regular nut might. Over time, the flange or the nut can become worn or damaged. In some cases, lock nuts may be lost during the process of other repairs or maintenance. Replacing them with genuine OEM parts like this lock nut is the best solution. This lock nut is compatible with hundreds of machines, including mowers, snowblowers, and chippers from MTD, Troy-Bilt, Cub Cadet, RYOBI, Yard-Man, Yard Machines, Bolens, and Husky. The ¼-inch lock nut has multiple locations and applications, so owners should consult their parts diagram for exact placement and part number identification. This lock nut is made of durable metal and sold as a single unit. Those who need additional pieces will have to order multiple quantities. This part will require a wrench or a socket to replace, as well as pliers and/or a screwdriver to hold the bolt or screw in place.

This is an internal snap ring that can be found in many types of lawn and garden equipment. It is located between the spacer and bearing and is made of durable metal. The ring holds items steady and has an exposed area that functions like a shoulder to keep the assembly in place. Over time, the internal snap ring can become damaged through wear and tear or corrosion. It can also break and will no longer operate the way it should.If the internal snap ring is broken, corroded, or damaged, it will need to be replaced. Make sure the equipment is turned off and placed on a flat surface for the replacement process. A pair of snap ring pliers will be needed to remove the original internal snap ring. There is a plastic wheel cap located on top of the snap ring that needs to be removed first.This internal snap ring is an authentic OEM replacement part that is sourced directly from the manufacturer. It is sold as an individual part. The snap ring is compatible with lawnmowers, chainsaws, and snowblowers manufactured by Yard-Man, Montgomery Wards, Huskee, MTD, Yard Machines, Troy-Bilt, and Cub Cadet.

This variable speed pulley is a genuine MTD part, sold individually. This variable speed pulley can be used as a replacement part in a lawn mower. The purpose of a variable speed pulley in a lawn mower is to regulate and manage the speed at which the motor runs so that the speed can be kept within a stable range for the safety of the operator of the appliance.The variable speed pulley in a lawn mower might have to be replaced if the variable speed pulley can no longer properly manage the speed of the lawn mower. This could occur if the variable speed pulley suffers damage from general wear and tear with long-term use or as the result of an accidental collision with a hard object that warps the variable speed pulley beyond functionality. This replacement should be executed in accordance with the proper instructions sourced from a relevant appliance manual.This component is a genuine OEM replacement part sourced directly from the manufacturer. It is sold individually. This variable speed pulley is compatible with the following outdoor appliance brands: MTD.

This is a ball and joint assembly replacement for use with several types of lawn and garden equipment, including lawn tractors. The ball and joint assembly is an important part of the steering system in the machine. It helps to secure tie rod ends and drag links. If there is damage to the ball and joint assembly, it can cause a range of problems with the steering. This can make it impossible to properly operate the machine. Damage to the assembly could occur for a range of reasons. In some cases, it could simply be years of wear and tear plus corrosion. Other times, it could be damage caused while operating the machine. Issues with the ball and joint assembly should be repaired right away. This is a genuine OEM replacement part that can work for many machines, such as lawn tractors, lawn mowers, and snowblowers. It is compatible with a range of brands including Yard-Man, Troy-Bilt, Yard Machines, Craftsman, Bolens, Murray, Cub Cadet, Toro, and MTD.

The ignition switch is the part of lawn and garden equipment that features an ignition to turn on and off with a switch. These are common on lawn tractors, as well as some lawn mowers, wood chippers, tillers, and log splitters. While these switches tend to be robust, they may eventually wear out. Some might have a mechanical failure after being used for years. Others might have electrical issues. Regardless of the reason for the failure, they will need to be replaced to continue using the machine. This is a genuine OEM part that is sold individually. It is a complete kit, which will include not only the switch, but also a washer and nut to secure the switch into the housing, and two ignition keys. The ignition switch can work with lawn tractors from brands such as MTD, Ryobi, Troy-Bilt, Bolens, Yard Machines, and Craftsman.

This headlamp switch is a genuine MTD part. It is made for use with headlamps on front-mount mowers, garden tractors, and lawn tractors. It is installed on the dash panel and turns the headlamp on the tractor or mower on and off. This headlamp switch is a genuine OEM part sourced directly from the manufacturer and is sold individually. It is made from durable plastic with metal prongs. Replacing a damaged or malfunctioning headlamp switch is an easy repair that typically requires only a screwdriver.This part is made for compatibility with mowers and tractors manufactured by White Outdoors in the 1980s, 1990s, and early 2000s. It is also compatible with many models of MTD lawn tractors, as well as some made by Bolens, Cub Cadet, Husky, Ryobi, Troy-Bilt, Yard-Man, and Yard Machines. Use the compatibility checker before purchasing.

This is a spring switch that is used in many types of lawn and garden equipment, such as log splitters, lawnmowers, and tillers. The spring switch is made out of durable metal and is typically located near the switch button. With ordinary use, the spring switch can experience wear or other types of damage and stop working correctly. When this occurs, it will need to be replaced.If the spring switch is broken or bent, a screwdriver will be needed to replace it. The lawn equipment should be powered off and placed on a stable surface during the replacement. Disassemble the unit and locate the contacts to access the spring switch and other small parts. The original switch can be removed using a screwdriver so the new component can be installed. Reassemble and power the tool on before use.This spring switch is a genuine OEM replacement part that is sourced directly from the manufacturer. The component is sold on an individual basis. The part is made to be compatible with lawnmowers, snowblowers, tillers, log splitters, and wood chippers manufactured by Craftsman, Toro, Cub Cadet, Ryobi, Troy-Bilt, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, MasterCut, and Turf King.

This replacement part is an ignition switch. This is a genuine replacement part made by MTD. This part is important to the overall user experience in many machines. The ignition switch helps start and stop the engine according to the user's desired settings. A new ignition switch might be needed if the user is unable to start or stop the ignition. It is common that after years of normal use, the ignition switch can go bad. If this is the case, be sure to replace it as soon as possible so that the machine may return to proper working order. Be sure the engine is powered down before replacing this part to ensure safety. This is a genuine OEM replacement part. This part is sold individually and is sourced directly from the manufacturer.