The John Deere SA16403 air filter, now superseded by OEM part number AL172781, is a genuine replacement component designed to ensure optimal engine performance and longevity by effectively filtering intake air. This high-quality filter is crucial for protecting the engine from dust, dirt, and debris in various John Deere tractors, combines, sprayers, loaders, and other heavy equipment. With an outer diameter of 108 mm, an inner diameter of 62 mm, and a length of 205 mm, it provides precise fitment and reliable filtration for demanding operational environments.