079959253B Secondary Air Injection Smog Pump for Audi Q7 A6 A8 4.2L V8

This 079959253B secondary air injection smog pump is a high-quality direct replacement for your worn, faulty or noisy original pump. Designed specifically for Audi 4.2L V8 FSI engines, it matches the factory mounting points, connectors and hose interfaces for a seamless fit. As a key component of the vehicle emission control system, this smog pump delivers fresh air into the exhaust manifold during cold start, accelerating catalyst warm-up and reducing harmful exhaust emissions. It effectively resolves issues such as rough idle, abnormal noise, failed emission tests and illuminated engine warning lights caused by a malfunctioning secondary air system. Built with durable, heat-resistant materials and a robust motor, this pump is engineered to withstand extreme under-hood temperatures and vibrations. No special tools or modifications are required for installation, making it suitable for both professional repair shops and DIY maintenance. Each unit is fully tested to ensure stable performance and long-term reliability.

• Direct OEM replacement for OE number 079959253B, compatible with 079959253 / 079959253A, professionally manufactured to match original specifications.
• Perfect fit for Audi Q7, A6 C6, A8 D3, RS4 and RS6 models equipped with 4.2L V8 FSI engines, exact drop-in replacement without modification.
• Restores normal function of the secondary air injection system, effectively fixes check engine light and common P0411 / P0412 fault codes.
• Constructed with high-temperature resistant housing and heavy-duty motor, ensures low noise, strong durability and long service life under harsh engine conditions.
• Plug-and-play design for quick and easy installation, 100% tested for air tightness and performance before shipment to guarantee reliable operation.