Genuine OEM Audi Engine Oil Sump Lower Part, part number 05L103602B. This crucial component forms the lower section of the engine's oil sump, serving as the reservoir for engine oil and protecting the crankshaft and other internal components. It is designed to withstand engine vibrations and temperature fluctuations. Made from durable materials, a genuine OEM oil sump ensures a perfect seal with the engine block, preventing oil leaks and maintaining proper lubrication for optimal engine health.