Hella 7.05817.09.0 Secondary Air Injection Vacuum Check Valve

The Hella 7.05817.09.0 is a genuine Pierburg secondary air injection vacuum check valve (also known as a non-return valve or vacuum delay valve) designed to regulate the secondary air injection system in your vehicle's emission control system. This pneumatic control valve ensures optimal engine performance by preventing backflow and maintaining proper vacuum pressure within the secondary air system.

Key Features:

• Genuine OEM quality component manufactured by Pierburg, distributed by Hella
• Pneumatic operating mode with non-return valve design
• Engineered to meet or exceed OEM specifications for reliable performance
• Durable construction designed to withstand extreme engine conditions
• Direct replacement for BMW OEM part number 11611312737
• Also cross-references to FIAT 1305791080, GM 857208, and Vauxhall 857208
• Easy installation with no modifications required

This vacuum check valve plays a critical role in your vehicle's emission control system by regulating exhaust gas flow and ensuring compliance with environmental standards. A failing check valve can trigger diagnostic trouble codes such as P0491 or P0492 and may result in increased emissions, poor engine performance, or illuminated check engine lights. The Pierburg 7.05817.09.0 delivers the quality and reliability expected from genuine OEM components, making it an ideal choice for maintaining your vehicle's emission system integrity.