The 3540403M91 valve is a genuine OEM component, primarily manufactured for Massey Ferguson agricultural machinery. This essential valve ensures proper fluid control within the hydraulic or engine systems of a wide range of Massey Ferguson tractors, including models from the 100, 200, 500, 600, 3000, 3100, 3600, 8100, and 8200 series. Weighing 0.12 kg with dimensions of 95mm length and 51mm height, it is designed for precise fit and reliable performance in demanding agricultural applications. While listed under McCormick, this part number is consistently cross-referenced as a Massey Ferguson original part.