Buy 2006 Audi S4 4.2L V8 A/T Secondary Air Injection Pump Hose. 4.2 LITER, #3. 4.2 LITER, 2005-06, #3 - OEM Audi Part # 8E0133817A (8E0-133-817-A)

Connector pipe. Hoses. Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.

Secondary Air Injection Pump Hose

Fits A6, RS4, S4

4.2 LITER, #3. 4.2 LITER, 2005-06, #3. 4.2 LITER, A4/S4, #3. Cabriolet S4; To Kombi Valve.
Air Injection System Line - Repair or Replace