Buy 2007 Audi S4 4.2L V8 M/T Avant Wagon Secondary Air Injection Control Valve Gasket. 4.2 LITER. 4.2 - OEM Audi Part # 079131120B (079-131-120-B)

Adapter Gasket. Secondary Air Injection Control Valve Gasket.
Secondary Air Injection Control Valve Gasket.

Secondary Air Injection Control Valve Gasket

Fits A6, RS4, S4

4.2 LITER. 4.2 LITER, 2005-06. 4.2 LITER, A4/S4.
Air Injection System Control Valve - Repair or Replace
A failed air injection solenoid or secondary air valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 2007 Audi S4 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.