This cotter pin is an OEM part that is 1.25 inches long, gold in color, and sold individually. Made of metal, it can have a range of applications on a variety of lawn and garden equipment. Generally, you will need to replace this part if it becomes broken due to age and wear, or if you need to remove it for making other repairs. This is an easy repair that only requires a pair of pliers to carry out. You need to bend one end around the shaft or bolt and bend the other around the back end of the bolt to complete the repair.

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 longer 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.