Genuine OEM Audi Oil Pressure Line, part number 8E0317821AB. This line transmits oil pressure readings from the engine to the relevant sensors or gauges, providing vital information about the lubrication system's health. It is part of the engine's oil circulation system. Constructed from high-quality metal and rubber components, it is designed for durability and resistance to oil and heat. Genuine OEM parts ensure precise fitment and reliable performance, critical for accurate oil pressure monitoring.