The Case-IH 1273134C91 is a genuine OEM air filter designed to provide superior engine protection by effectively removing airborne contaminants. This high-quality filter is crucial for maintaining engine efficiency and extending the lifespan of agricultural and construction machinery. It is suitable for a wide range of Case-IH combines and tractors, including models in the 1600, 2100, 2300, 2500, and 4000-9999 series. With an outer diameter of 330.2 mm, an inner diameter of 177.8 mm, and a length of 330.2 mm, it ensures a precise fit and reliable filtration.