Hella 7.28238.62.0 Secondary Air Injection Control Valve

The Hella 7.28238.62.0 is a precision-engineered secondary air injection control valve designed for cylinder bank 1-4 applications. Manufactured by Pierburg, a division of Hella, this pneumatic valve plays a critical role in your vehicle's emissions control system by regulating the flow of fresh air into the exhaust stream during cold start conditions.

Key Features:

• Pneumatic operating mode for reliable, consistent performance
• Includes factory gasket for proper installation and sealing
• Direct replacement for BMW OEM part number 11727838028
• Diaphragm valve design for precise air flow control
• Manufactured to OEM specifications by Pierburg/Hella
• Backed by ISO 9001 quality certification

The secondary air injection system reduces hydrocarbon and carbon monoxide emissions during engine warm-up by introducing fresh air into the exhaust manifold. This valve controls the timing and amount of air injection, ensuring optimal catalytic converter efficiency. A properly functioning secondary air valve is essential for passing emissions inspections and maintaining engine performance.