The JCB KRB0737 is a genuine OEM 1.2mm shim, also known as a filler plate, specifically designed for critical spacing adjustments in a wide range of JCB JS and JZ series excavators. This precision-engineered component ensures correct alignment of machine parts, contributing to optimal performance and preventing premature wear. Manufactured to JCB's exacting quality standards, it provides reliable and durable service in demanding construction and industrial applications.