This Cummins Onan lever and rocker arm, model number 3400986, is a crucial component for any generator, welder, or engine. It is designed to work with Cummins equipment and is made in the United States. The brand name is synonymous with quality and reliability, making this part a top choice for professionals in the business and industrial sector. The model year is unknown, but the compatibility with Cummins equipment ensures that it will fit and function seamlessly.