This part is a replacement spring. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part's intended use is to replace a broken or defective spring in lawn tractors and snow blowers.Springs are an essential equipment component that can be easily broken, stretched, snapped, bent, or otherwise rendered ineffective. If the user notices any issues with the equipment's springs, they should replace them immediately with a genuine OEM replacement part. When working on or near an engine, it's important to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this spring, reference the appropriate owner's manual and specific equipment diagrams.This is an authentic OEM replacement part made of high-quality metal. This spring can be used with different models of lawn tractors and snow blowers that have been manufactured by MTD, Craftsman, Troy-Bilt, and other brands. Part sold individually.