Hitachi Excavator ZX40U-2, ZX50U-2, ZX55UR-2, ZX55UR-2D, ZX55UR-2DU, ZX55UR-2U, ZX55UR-3, ZX55UR-3D. All-aluminum radiator high-speed cooling 2-line core design. Our products are mainly suitable for cars, motorcycles, yachts, racing cars, steamboats and aircraft. We adhere to the principle of “good faith treatment of every customer”, adhere to the quality of service! Made of High Quality Full. Super light weight design reduces the weight compared to the OEM radiator. Immediately at any time so as to clear up your discontent and. Will definitely resolve the problem. >All the message will be replied immediately. After our Daily work started.