The JCB 1812700010 is a genuine OEM voltage regulator designed for 12V electrical systems in a wide range of JCB agricultural and construction machinery. This essential component ensures stable voltage output, protecting sensitive electronic systems and maintaining optimal performance of the charging system. It is compatible with numerous JCB models including 3CX, 4CX, 520-50, 530-70, and various JS series excavators. Weighing approximately 0.15 kg with dimensions of 95mm length, 50mm width, and 30mm height, this regulator is built to JCB's rigorous quality standards for reliable operation.