Genuine OEM Volkswagen Cooling System Bung, part number 7P0121099. This plug is designed to seal specific openings within the vehicle's cooling system, preventing coolant leaks and ensuring the system operates under correct pressure. It is typically found in various points of the cooling circuit where a temporary or permanent seal is required. Made from durable, heat-resistant rubber, it ensures a tight and reliable seal. Opting for a genuine OEM cooling system bung guarantees the correct material composition and precise dimensions for a leak-free and long-lasting seal, critical for engine cooling efficiency.

Catalogue entry: BUNGS.