The JCB 81900102 is a genuine OEM shim designed for precise adjustment and spacing in various JCB agricultural and construction machinery. Manufactured to exact specifications, this 1.0mm thick shim ensures proper component alignment and reduces wear, contributing to the longevity and efficient operation of your equipment. It is a critical component for maintaining specified tolerances in applications such as axles, transmissions, or hydraulic systems. This shim features an inner diameter of 25.0mm and an outer diameter of 40.0mm.