The 3547090M91 is a genuine OEM extension designed for McCormick MC series tractors, including models MC100, MC105, MC115, MC120, and MC135. This essential component ensures proper function within various systems, often found in hydraulic or linkage assemblies. Manufactured to original specifications for reliable performance and durability, it is also compatible with a wide range of Massey Ferguson 5400 and 6400 series, and Landini Legend series tractors, offering broad interchangeability across AGCO brands.