079959253 Secondary Air Injection Smog Pump for Audi 4.2L V8

This premium aftermarket secondary air smog pump (OE# 079959253) is a direct replacement for your original worn, noisy or failed factory air injection pump. As a core emission control component, this auxiliary air pump injects fresh air into the exhaust system during cold start, quickly heats the catalytic converter to reduce harmful exhaust emissions. It solves rough cold idle, loud abnormal noise, failed emission inspection and dashboard warning light issues effectively. Made of reinforced high temperature resistant material, this pump can withstand harsh under-hood environment for years. Precision manufactured to strict OEM specifications, ensures perfect fitment and reliable air flow. Easy and fast installation for DIY repair and professional garage use.

• Direct OEM replacement for OE# 079959253, interchangeable with 079959253A / 079959253B updated versions.
• Perfect fit for Audi Q7 A6 A8 RS4 RS6 equipped with 4.2L V8 FSI naturally aspirated engine.
• Restores factory secondary air system, fixes check engine light and common P0411/P0412 emission fault codes.
• Heavy-duty motor and high heat resistant housing, low noise, air tight sealing for long service life.
• Exact drop-in plug-and-play design, no modification required; 100% factory performance tested before shipping.