The JCB 72100006 is a genuine OEM seal designed for various JCB machinery, including the 3CX, 4CX, 520, 525, 530, 535, and 540 models. This Spi-type seal features an inner diameter of 100 mm, an outer diameter of 120 mm, and a thickness of 10 mm, providing a critical barrier against leaks and contaminants in hydraulic systems. Manufactured to JCB's exacting standards, it ensures reliable performance and extends the lifespan of components.