The JCB 45443936 Sleeve Seal is an authentic OEM component, precisely engineered to provide a reliable and leak-free seal within JCB hydraulic systems. With an inner diameter of 35 mm, an outer diameter of 45 mm, and a thickness of 5 mm, this seal is crucial for maintaining hydraulic integrity and preventing fluid loss. It ensures optimal performance and extends the lifespan of compatible JCB 3CX, 4CX, and various Loadall models, including 531-70, 535-95, 540-140, 540-170, 540-200, 541-70, and 550-80.