The VNE 4007C02 Change-Over Valve is a Mercedes-Benz engine air-injection component that regulates airflow in the secondary air injection (SAI) system to support emissions reduction and engine performance. As a direct replacement for Mercedes-Benz applications, it installs in the Engine Emission Control System and corresponds to OEM reference 0005003201. Key identifiers include Manufacturer Part Number 4007C02 and Brand VNE; common replacements include Mercedes-Benz 0005003201 Change-Over Valve, Pierburg Secondary Air Injection Valve, and Febi Bilstein Air Injection Valve.
