General description With good performance, the vacuum check valve can work well for car engines. It maintains smooth airflow into the engine and plays a key role in automotive systems, especially those related to vacuum systems. Technical specifications Type: Vacuum check valve Material: PVC Compatibility and accessories Compatible with Volkswagen Jetta (1987-1999) Compatible with Volkswagen EuroVan (1993, 1995, 1997, 1999-2003) Compatible with Volkswagen T2, T3, T4, T5 Compatible with Volkswagen Golf (1985-1988, 1999) Compatible with Volkswagen Passat (1990-2005) Compatible with Volkswagen Corrado (1990-1994) Compatible with Audi A6 (1995-2004) Compatible with Audi Coupe (1981-1987) Compatible with Audi Cabriolet Installation Easy installation; can be replaced directly without adjustment. Usage Check valves allow fluid to flow in one direction while preventing it from flowing in the opposite direction, ensuring optimal performance in automotive vacuum systems.