Genuine OEM Volkswagen Reduction Agent Injector Seal, part number 3C0253115A. This seal is designed to prevent leaks from the reduction agent injector, which is a key component in the vehicle's emissions control system. It ensures a tight, leak-free connection for the injector. Weighing only 0.005 kg, this small but vital component is made to precise specifications. Genuine OEM seals are essential for maintaining the integrity of the emissions system, preventing fluid loss and ensuring optimal performance and compliance.