The Case-IH 84011945 is a genuine OEM coupling designed for various Case-IH agricultural and construction machinery. This essential component ensures reliable power transmission and proper connection within the hydraulic or mechanical systems. It supersedes part number 87383749 and is engineered to meet original equipment specifications for durability and performance across a wide range of models including Puma, Maxxum, Farmall, Magnum, Optum, Patriot, Steiger, and Quadtrac series.