The Krone 9402470 is a genuine outer air filter designed for optimal engine protection in Krone Big M series self-propelled mowers. This essential filtration component ensures clean air intake, preventing harmful contaminants from reaching the engine. It is specifically engineered for models including the Big M II, Big M 400, Big M 420, Big M 450, and Big M 500, providing reliable performance and extending engine life. Dimensions: Height 520 mm, Outer Diameter 267 mm, Inner Diameter 165 mm, Weight 2.27 kg.