The JCB 45443790 is a genuine OEM spacer with a precise thickness of 3.85mm, engineered for critical adjustments and accurate fitment within various JCB machinery components. This high-quality spacer ensures optimal performance and correct alignment, maintaining the integrity of your equipment. Manufactured to JCB's rigorous standards, it guarantees durability and reliability for demanding agricultural and construction applications, including specific JS series excavators and 400 series wheel loaders.