The Case IH 81866927 is a genuine OEM primary air filter designed to provide superior filtration for Case IH agricultural machinery. This essential component effectively removes dust and contaminants from the intake air, protecting the engine from wear and maintaining peak performance. It is specifically engineered for a wide range of Case IH MX and STX series tractors, ensuring a precise fit and reliable operation. With an outer diameter of 263.5 mm, an inner diameter of 146 mm, and a length of 444.5 mm, this filter weighs approximately 2.268 kg.