The Vemo Volkswagen Secondary Air Injection Pump Check Valve - V10660003 is a high-quality aftermarket replacement part for Volkswagen vehicles. This check valve is designed to regulate the flow of secondary air into the engine, helping to reduce emissions and improve overall engine performance. It is made from durable materials and is designed to meet or exceed OEM standards. This product is specifically designed for Volkswagen models and is a reliable and cost-effective solution for maintaining your vehicle's emissions system.