The JCB 400Y6595 is a genuine OEM ventilated tank cap designed to provide secure sealing and essential ventilation for fuel or hydraulic tanks on a wide range of JCB agricultural and construction equipment. This cap helps maintain correct pressure balance within the tank, preventing vacuum formation or over-pressurization, which is crucial for optimal machine performance and fuel delivery. Constructed from durable materials, it ensures a reliable and long-lasting fit, with dimensions of 95mm length, 95mm width, and 51mm height, weighing approximately 0.12 kg.