911-340 Secondary Air Injection Check Valve, Air Pump Check Control Valve, with Gasket, Compatible with Bulck Lucerne 2006-2011 V8 4.6L, Cadillac DTS 2006-2011 V8 4.6L
[Vehicle Fitment]: This air pump check control valve compatible with Bulck Lucerne 2006-2011 V8 4.6L, Cadillac DTS 2006-2011 V8 4.6L.
[OE Reference Number]:12619111, 911-340, 911340.
[Durable construction]: this part is made from quality materials to ensure reliable performance and long service life
[Direct replacement]: this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles
[Important Role]: The secondary air injection check valve plays an important role in reducing vehicle emissions. It promotes combustion of unburned fuel by injecting air into the exhaust pipe when the engine is started, thus reducing harmful emissions, especially during cold starts.