Genuine OEM Jaguar Turbo Oil Supply Line, part number AJ814257. This critical hose assembly is responsible for delivering a consistent supply of clean lubricating oil to the turbocharger, which is vital for its cooling and bearing lubrication. It connects directly to the turbocharger unit, typically located on the engine manifold. Weighing 0.8 kg, this line is constructed to withstand high temperatures and pressures within the engine bay. Using a genuine OEM oil supply line ensures correct routing geometry, material integrity, and resistance to oil degradation, preventing leaks and turbocharger damage.