The JCB 90420180 is a genuine OEM sealing ring designed for critical applications within JCB agricultural and construction machinery. This high-quality sealing component ensures a reliable, leak-free seal in hydraulic systems, preventing fluid loss and maintaining optimal system pressure. With an inner diameter of 50 mm, an outer diameter of 60 mm, and a thickness of 5 mm, it is engineered to precise specifications for a perfect fit and long-lasting performance across a wide range of JCB backhoe loaders, excavators, and telehandlers.