Genuine OEM Audi Oil Pressure Line, part number 7L0317821D. This rigid metal line is engineered to safely transport oil under high pressure to various critical engine components, ensuring proper lubrication and cooling. It is typically routed within the engine bay. Weighing approximately 0.12 kg, this line is constructed from durable materials to withstand engine temperatures and pressures. Using a genuine OEM oil pressure line guarantees correct routing geometry, material integrity, and leak-free connections, which are essential for maintaining engine health and preventing costly damage.