The JCB 99399311 is a genuine OEM pump barrel designed for use in various JCB agricultural and construction machinery. This critical hydraulic component is manufactured to JCB's stringent quality standards, ensuring precise fitment and reliable operation within the hydraulic system. It plays a vital role in the efficient functioning of the pump, contributing to the overall performance and longevity of the machine's hydraulic functions. Using genuine JCB parts like the 99399311 helps maintain the integrity and efficiency of your equipment.