Genuine OEM Volkswagen Valve, part number 026133517. This valve is an essential component within the engine's air intake or emissions system, regulating the flow of air or gases. It plays a role in managing emissions and optimizing engine performance. As a genuine OEM part, it is manufactured to exact specifications for precise operation and reliable integration with other engine components. Genuine valves ensure correct flow rates and sealing, crucial for emissions compliance and engine efficiency.