Pierburg Secondary Air Injection Control Valve – Audi S4, A6 Quattro 2.7T High Boost Includes inner and outer lights

Includes inner and outer lights with a smoked lens for a custom aggressive look

Designed to match factory specifications for easy installation and long-lasting performance

0L H4 (1980-1983)

This Pierburg by Hella Vacuum Control Valve (part H72050441) is a high-quality OEM replacement that regulates airflow to your engine

mounts directly to steering column

Pierburg Secondary Air Injection Control Valve – Audi S4, A6 Quattro 2.7T High Boost Includes inner and outer lightsThe Pierburg Secondary Air Injection Control Valve (part 7. 22769. 76. 0) is an OEM quality replacement for your Audi's emission system. It reduces harmful emissions during cold starts and ensures smooth engine operation. Designed to meet original specifications, it fits Audi S4 (2. 7T, 2000 2002) and A6 Quattro (2. 7T, 2000). Key Features & Benefits Durable Construction: Made with high quality materials to withstand engine bay conditions. OEM