The JCB JNH0045 Sleeve is a genuine OEM replacement part designed for a wide range of JCB excavators and construction machinery. This precision-engineered sleeve ensures proper function and durability within the machine's assembly. With a length of 30 mm, width of 22 mm, and height of 22 mm, and weighing 0.05 kg, it meets original manufacturer specifications for reliable performance and exact fitment across models like the JS130, JS140, JS200, JZ140, and others.