The Case IH ZD75G11000 is a genuine OEM back-up ring designed to provide essential support for O-rings in hydraulic and pneumatic systems, preventing extrusion under high pressure. This critical component ensures system integrity and extends the lifespan of sealing elements. Manufactured to precise specifications, it features an inner diameter of 75 mm, an outer diameter of 80 mm, and a thickness of 1 mm. It is compatible with a wide range of Case IH agricultural and construction equipment, including combines, tractors, and windrowers, ensuring reliable performance and a perfect fit.