20455A (1997) Briggs and Stratton Lawn Mower - Overview

This 5/16-18 wing knob is sold individually. It is a plastic part, black in color, that works on a variety of equipment. Its general function is to allow you to quickly loosen, remove, or fold down things such as handles. If it no longer loosens or tightens, it may be broken or damaged due to fatigue and wear. Replacing this part is an easy repair that does not require any tools.

This hex nut is a fastener made from steel and is used to secure the end of a bolt in various lawn and garden equipment and machinery. It is a genuine OEM replacement part that comes in a standard size of 5/16 of an inch with 18 threads per inch. The hex nut has a hexagonal shape, which gives it greater grip and makes it easy to tighten u...Read moresing a wrench or a set of pliers. The nut also has a flange on one end, which locks the nut in place, prevents damage to the area where it is installed, and allows the load to be evenly distributed. It is important to replace your hex nut if it is loose, cracked, or corroded. If you have not yet removed the old hex nut from your equipment you will need a socket wrench to remove it. After that, you can easily install the new nut by threading it onto a bolt or screw and then tightening it with a wrench or pliers until it is tightly secured.

This centerlock nut, or lock nut, is sold individually and locks itself in place when inserted, to prevent it from backing out due to vibration. Over time, due to its strenueous job, it may become loose or break due to wear and tear, and will need to be replaced. This lock nut is made of metal and is silver in color. When it will no longe...Read morer lock, you will need to complete this easy repair, which requires a wrench or socket and torque wrench. Ensure you torque the lock nut to your manufacturer specifications; this nut can have a range of different applications for a variety of equipment, so please check your model number or owners manual to be sure it is the right fit for your model.

The Rear Deflector is a 17.5 inch part which attaches onto the rear of the mower's deck, in order to deflect objects from flying out the back of the mower. This OEM black, plastic part is rated as "easy" to install and requires a screw driver, and socket set. Refer to your make, model and diagrams to check if this is the right part.

This quarter-inch Nylock nut, or hex nut, is silver in color and sold individually. Made of metal, its simple task is to secure and lock parts in place on a variety of different equipment. Regardless of the specific function, this nut may become damaged over time and if you notice the part it is securing becoming loose, it is time to chan...Read morege the Nylock Nut. Use a wrench to make this repair, ensuring your torque to the manufacturer specs. Most of our customers found this to be an easy repair, but difficulty can vary depending on the part you are accessing to make the repair.

This OEM Washer (j.39-2.2 11G Fl), is a silver, metal part, requiring a wrench or socket set to install. Installation is rated as "Easy". This washer can be used as a spacer between the bottom of the blade and the blade bolt. It attaches on the blade bolt to support the blade. If broken due to fatigue/damage, you may hear a rattling sound...Read more underneath the cutting deck and should replace the part. Refer to your make, model and diagrams to check if this model is right for you.

This flange nut is designed for use in lawn and garden equipment. It is an OEM replacement part with a diameter of 0.375 inches and a thread pitch of 16 threads per inch. The nut has a ring-shaped extension on one end, known as a flange which helps to evenly distribute the clamping force of the nut and provide a more secure hold. Addition...Read moreally, the flange eliminates the need for separate washers and reduces the risk of abrasion on the surface being fastened. It is normal for the nut to corrode, crack, or for the threads to wear down over time. To replace the flange nut, unthread it from the fastener, and insert and secure the new one using a socket/wrench. Each sold individually.

Keep in mind that this part is sold individually. The torsion spring is made of plastic and attaches to the rear door. A screwdriver, a set of pliers, a socket set, and a nutdriver might all be helpful during the installation of this part. It might break or bend over time and will need replacing. This genuine item is supplied by the original equipment manufacturer for use with Murray lawn mowers.

This Washer (.40.81 16g Flt) is a black, metal part, requiring a socket set to install. Installation is rated as "Easy". This washer can be used to provide a tight fit between connected components. It attaches onto the bell crank between the adjusting nut and cotter pin. Refer to your make, model and diagrams to check if this model is right for you.

The retainer attaches to the idler arm support. This genuine item is supplied by the original equipment manufacturer for use with tractors and rear engine riders made by Snapper, Murray, and Simplicity. It is made out of metal and is sold individually. During the installation process, a wrench set might be needed to replace this part. Over time this part may break and will need to be replaced.

Authentic OEM approved replacement item commonly used on Murray walk behind lawn mowers. The purpose of this special bolt is to secure upper and lower mower handles together. The square area under bolts head allows it to stay secure while the lock nut/knob is being tightened. This metal bolt is sold individually.

This is an OEM part source directly from the manufacturer. The blade adapter is commonly found in lawn mowers from Murray. This part is made of metal, and is used to connect the mower blade with the mower deck. You will require a wrench when replacing this item. The blade adapter is provided as an individual replacement part.