The JCB 90420171 is a genuine OEM sealing ring designed for critical sealing applications across numerous JCB machines. This essential component ensures a tight, leak-free seal, maintaining system integrity and preventing fluid loss. It is compatible with various JCB Backhoe Loaders, Telehandlers, Excavators, Wheel Loading Shovels, and Vibratory Rollers, including popular models like the 3CX, 4CX, 5CX, JS series, and 500 series Loadalls. Manufactured to JCB's rigorous standards, this sealing ring provides reliable performance and durability for demanding operational environments. Its compact design, with a weight of approximately 0.005 kg and dimensions of 1.016 mm length, 1.016 mm width, and 1.016 mm height, makes it suitable for precise fitment in specified assemblies.