Genuine OEM Volkswagen Engine Oil Sump Surge Lock, part number 04C103623A. This internal engine component is designed to prevent excessive oil movement or "surge" within the oil sump during aggressive driving or cornering. It is installed inside the engine oil pan, acting as a baffle to maintain a consistent oil level around the oil pickup. Weighing 0.459 kg, this part is engineered to withstand the harsh environment of the engine's lubrication system. Using a genuine OEM surge lock ensures precise baffling design and material integrity, critical for maintaining consistent oil pressure and preventing engine damage from oil starvation.

Catalogue entry: LOCK.