The Case IH 84038371 is a genuine OEM piston seal designed for use in Case IH RB series round balers. This critical component ensures a tight seal within hydraulic cylinders, preventing fluid leakage and maintaining efficient hydraulic pressure for consistent machine operation. Engineered for durability and precise fit, it is essential for the proper functioning of baling mechanisms in models such as the RB344, RB444, RB454, RB464, RB544, RB554, and RB564.