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High Build Quality: Manufactured by PIERBURG to OE standards for durability and performance
Direct Fit: No modifications needed for installation
Precise boost control: Manages wastegate operation for consistent power
Quality Assurance: Manufactured to HELLA's strict quality standards
supplying OEM parts to luxury automakers
PIERBURG Secondary Air Pump for Audi S4 / RS4 (2004-2009) 500-1000 High Build Quality: Manufactured byThe secondary air injection pump injects fresh air into the exhaust stream to further burn off exhaust gas, aiding catalytic converter warm up. When the pump fails, fault codes are triggered and fuel efficiency drops. This Pierburg OEM replacement restores performance and emissions compliance for Audi S4 and RS4 models with the 4. 2L V8 engine from 2004 to 2009. Key Features & Benefits OEM Replacement: Direct fit replacement for the original air
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