20439 Toro Lawn Mower - Overview

This OEM Locking Ring holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. Installation is rated as "Easy" by customers and will require pliers. The part secures the drive pinion gear to the drive shaft, and if broken due to wear/fatigue/damage, it will need to be replaced.

Genuine OEM sourced part used on variety of Toro Lawn and Garden Equipment. This part is sold individually and the Nut is not included. The square area under the head is designed to fit into a square hole in the workpiece. It is this square hole that restrains the bolt and keeps it from turning when the nut is tightened.

This ignition key is used in lawn equipment to start and stop its engine. Inserting the key into the ignition switch activates the starter motor. Thus, it is a safety device which prevents accidental or unauthorized use of the equipment. A broken key might be loose or hard to turn. In some cases, it might have completely fallen out of the...Read more switch. Without the ignition key, it will be difficult or impossible to start the engine. Locate your ignition key by reading your user manual. To remove a stuck ignition key, you may need to use a small amount of lubricant on it. While turning the key in the ignition switch, gently wriggle it back and forth. There may also be a release button that you could press, depending on your model type. This replacement part is an OEM product and is sold per unit.

This OEM-sourced washer in your walk-behind lawnmower provides space and protects the rear wheel from rubbing against the pivot arm assembly, ensuring smooth wheel rotation. A damaged washer may appear worn or cracked, causing the rear wheel to feel misaligned or wobble excessively. If not replaced, it can lead to increased wear and expen...Read moresive repairs. To remove the existing washer, prop up the wheel with a two by four, use a wrench to remove the bolt securing the wheel, slide out the wheel, and then remove the bolt on the rear adjuster to take off the washer. Please note that this washer is sold individually, so make sure to check the quantity needed for your machine before making your purchase.

This is an authentic manufacturer sourced replacement part designed for use with Toro walk-behind lawn mowers. This part helps to secure the mower wheel, allowing it to rotate freely. It is made out of metal and it is sold individually. To replace this part you would need a wrench and pliers.

This metal ball bearing reduces friction and evenly distributes weight among the rotating parts in your lawn equipment. These bearings can be found in various areas such as the wheels, in pulleys, blades or augers. When the bearing is damaged, you may notice a few things. Your machine may produce rough or grinding noises and excessively p...Read morelay or wobble. The affected part may also become stuck. Immediate replacement is necessary to prevent increased friction, inefficient performance, and potential equipment failure. Removing the bearing depends on your model, so consult your user manual for guidance. You will need to use a screwdriver or pliers to remove the surrounding components around the bearing and a bearing puller, pry bar, or mallet to release the bearing itself from its housing. As ball bearings wear out together, it is advisable to replace all of them at once. Ensure you verify the number of bearings your machine needs before purchasing this OEM replacement part as it is sold individually.

The metal pinion is an authentic Toro part that has been sourced from the original manufacturer to be used with lawnmowers. This item attaches to the transmission axle and interconnects with the drive wheel gear to rotate the wheel in unison with the shaft. The pinion gear is available as an individual replacement part.

It is an authentic Toro hardware. The thrust washer is supplied from the original equipment manufacturer for use on lawn mowers. It is utilized to provide a tight fit between connected components of the drive wheel mechanism. Unfortunately, over time the material will tend to wear out and the may get damaged eventually requiring a replace...Read morement. To ensure the exact location and the correct application of this item, refer to the appropriate diagrams of your model. Note, one durable metal thrust washer is included. You will need a wrench set to remove the wheel when replacing this hardware.

This genuine component is supplied directly from the original equipment manufacturer for use with Toro lawn mowers. Its purpose is to secure pivot arm which helps to support mower wheel. This is an identical replacement for a missing or a faulty hardware that was installed on a new unit. Please make sure to refer to the appropriate diagra...Read morems of your model for the correct location and application of this part. Keep in mind this high-quality shoulder bolt is made of durable metal and is sold individually.

This friction ring is an authentic item which is supplied by the original manufacturer for Toro lawn mowers. It is one of the special parts that helps to provide a tight seal between components. Over time it may wear out, get damaged or simply lost eventually requiring a replacement. This high-quality friction ring is made of a durable ma...Read moreterial and is sold as an individual component. Note, you may need a wrench set to remove and resecure the hardware that holds this part. Check the diagrams of your specific model for the exact location and the correct application of this hardware.

This is a genuine replacement part manufactured for use with outdoor power equipment. This flanged hex head screw has several applications, please see model diagram for part use and location. This screw is available as an individual replacement part.

It is an authentic Toro hardware. The washer-clutch is supplied from the original equipment manufacturer for use on lawn mowers. It helps to engage the pinion gear which is an important component that drives the wheel assembly. If the motor runs but the drive wheel is not spinning, a broken or worn washer-clutch may be the reason. To ensu...Read morere the exact location and the correct application of this item, refer to the appropriate diagrams of your model. Note, one durable plastic washer-clutch is included. You will need a wrench set to remove and resecure the wheel when replacing this hardware.