The Case IH AF4657 is a high-quality primary air filter designed to protect your engine from harmful contaminants. This genuine OEM equivalent part, cross-referenced to 87304677, ensures efficient air intake and extends engine life. With an outer diameter of 130 mm, an inner diameter of 70 mm, and a length of 260 mm, it provides a precise fit for various Case IH and New Holland agricultural machinery models, including JX, JXU, Farmall, Maxxum, MXU, T4, T5, TD5, TL, and TN series tractors.