The JCB 02800344 By-pass Hose is a genuine OEM component designed for various JCB 3CX, 4CX, 530, and 540 series machinery. This critical hose facilitates the proper flow of coolant, bypassing the radiator when the engine is cold to allow for faster warm-up and efficient temperature regulation. Manufactured to JCB's rigorous standards, it ensures reliable performance and a precise fit, contributing to the longevity and efficiency of the cooling system. With a weight of 0.12 kg and dimensions of 95mm length, 51mm width, and 51mm height, this hose is engineered for durability and direct replacement.