The JCB KSB0689 is a genuine OEM shim plate with a precise thickness of 0.8mm, designed for use in a wide range of JCB agricultural and construction equipment. This essential component ensures correct spacing and alignment within machinery assemblies, contributing to optimal performance and longevity. Manufactured to JCB's stringent quality standards, the KSB0689 shim plate is suitable for models including 3CX, 4CX, Loadall, Fastrac, and JS series excavators.