The JCB 17917010 is a genuine OEM shim with a precise thickness of 0.40mm, designed for use in various JCB machinery. This essential component ensures correct clearances and alignment within mechanical assemblies, contributing to optimal machine performance and longevity. It is compatible with a wide range of JCB backhoe loaders and compact excavators, including 1CX, 2CX, 3CX, 4CX, 5CX, 1CXT, 2CXT, 3CXT, 4CXT, 5CXT, 3DX, and 4DX models.