Genuine OEM Volkswagen Sealing Plug, part number WHT010900. This sealing plug is designed to seal openings in the engine crankcase housing, effectively preventing fluid leaks. It plays a crucial role in maintaining the integrity of the engine's lubrication and cooling systems. Genuine OEM parts are manufactured to precise specifications, ensuring a perfect fit and reliable performance, which is essential for critical engine components like sealing plugs to prevent leaks and maintain optimal operating conditions.