This is a genuine JCB 82310228 shim, precisely engineered with a thickness of 1.5mm. It is designed to ensure correct spacing and alignment in various JCB machinery, including 3CX and 4CX backhoe loaders, 520, 525, 526, 527, 528, 530, 531, 532, 533, 535, 536, 540, 541, 550 telehandlers, and JS130, JS140, JS160, JS180, JS200, JS210, JS220, JS240, JS260, JS300, JS330, JS360, JS370, JS460, JS490, JZ140, JZ235, JZ255 excavators. This OEM component is crucial for maintaining optimal machine performance and preventing premature wear.