The Kubota W21TSS6039 is a genuine OEM air filter designed to ensure optimal engine performance and protection for a wide range of Kubota machinery. This essential maintenance part is compatible with various L-Series and BX-Series tractors, ZD-Series zero-turn mowers, and RTV-X utility vehicles, providing clean air intake and extending engine life. It measures approximately 158 mm in length, 120 mm in width, and 120 mm in height, with a weight of 0.25 kg.