The Case IH FS20203 is a high-efficiency spin-on fuel water separator filter, designed to provide superior protection for engine fuel systems against harmful contaminants and water. With a 10-micron filtration rating, it ensures optimal fuel cleanliness, contributing to enhanced engine performance and extended component life in various Case IH and New Holland machinery. This part number cross-references with other OEM numbers like Case 87407559 and Fleetguard FS20203.