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0L H4 (1980-1983)
The Nissens Turbocharger Intercooler
This Pierburg by Hella Vacuum Control Valve (part H72050441) is a high-quality OEM replacement that regulates airflow to your engine
Improves Performance: Addresses lean conditions
Direct Bolt-In Replacement: No modifications required for easy installation
Pierburg Secondary Air Injection Control Valve – Audi S4, A6 Quattro 2.7T High Boost 0L H4 (1980-1983)The 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