20805X51A (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 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.

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.

This hex bolt is sourced from the original equipment manufacturer. The bolt is designed to fasten two individual parts together in your lawn and outdoor equipment. It is made of steel to withstand harsh environmental conditions and measures 0.25 inches in diameter and 0.62 inches in length. The hex bolt gets its name from its hexagon-shap...Read moreed head, which makes it easy to grip with a wrench or socket. Before installing the new bolt, first clean the threaded hole where the bolt rests to remove any dirt or debris in the area. Once the area is clean you can place the bolt in position using your hands and tighten it using a wrench or socket. It is important not to overtighten as this could damage the area and the bolt. Sold individually.

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.

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 the special bolt-hex which is utilized to secure the mower blade. It is an identical replacement for the hardware that was installed on a new equipment. Check the owner\'s manual and the parts diagrams for your specific model to ensure the correct replacement procedure. This high-quality bolt-hex is made of durable metal and is so...Read moreld as an individual item. It is supplied by the original manufacturer for Murray and Snapper lawn mowers. Note, a wrench will be needed to secure or remove it.