The Pierburg Secondary Air Pump Kit - 472072 is a comprehensive set of products designed for use in a car. The kit includes various components that work together to improve the performance and functionality of the vehicle's secondary air pump. The contents of the kit include a secondary air pump, a secondary air pump hose, a secondary air pump relay, a secondary air pump check valve, a secondary air pump gasket, a secondary air pump mounting bracket, a secondary air pump control valve, and a secondary air pump filter. These high-quality products are essential for maintaining the proper functioning of the secondary air pump, which helps reduce emissions and improve overall engine performance. The kit is suitable for various car models and is an ideal solution for those looking to replace or upgrade their existing secondary air pump system.