Description
Product Overview
The A-Premium Air Check Valve is engineered for secondary air injection systems in a wide range of Audi vehicles. Constructed from high‑grade metal, the valve replicates the original equipment manufacturer (OEM) design, ensuring a perfect fit and factory‑like appearance. Key specifications include a weight of 13 ounces, compact dimensions of 5.31 x 3.94 x 3.74 inches, and compatibility with part numbers 911‑988 and 06E131101E. Its robust construction resists corrosion and heat, delivering consistent performance throughout the vehicle’s lifespan.
Usage
Designed for everyday driving as well as high‑performance scenarios, this check valve maintains optimal air flow to the emission control system, reducing harmful exhaust gases. Ideal for owners seeking to restore or upgrade their Audi’s emission system after a failure, it fits seamlessly into the existing vacuum tee connectors and air pump assemblies. Installation requires no special tools and can be completed in minutes, making it suitable for DIY enthusiasts and professional mechanics alike.

Why Choose Us
A-Premium stands out for its commitment to quality and precision engineering. Each valve is manufactured to exact OEM tolerances, guaranteeing a direct‑fit that eliminates the need for modifications. The product is backed by a one‑year unlimited‑mileage guarantee, reflecting confidence in durability and performance. Our rigorous testing process ensures the valve meets stringent emission standards, providing peace of mind for environmentally conscious drivers.
Key Features
- Direct‑fit metal construction matching OEM specifications for flawless installation.
- Corrosion‑resistant material ensures long‑term reliability under extreme engine temperatures.
- Easy, tool‑free installation saves time for both DIY users and professional shops.
- Improves emission control efficiency, helping the vehicle meet regulatory standards.
- Backed by a one‑year unlimited‑mileage warranty for added confidence.
FAQ
Is this valve compatible with all Audi models?
The valve fits a broad range of Audi models, including A4, A5, A6, A7, Q5, Q7, S4, S5, S6, S8, and SQ5 from various years. Refer to the fitment list for exact engine and year compatibility.
Do I need special tools to install the valve?
No special tools are required. The valve is designed for a straightforward, bolt‑free installation using standard hand tools.
Will this valve affect my vehicle’s warranty?
Because the valve meets OEM specifications and is installed as a direct replacement, it does not void the vehicle’s existing warranty when installed correctly.
How does this valve improve emission performance?
By ensuring proper air flow to the secondary injection system, the valve helps the catalytic converter reach optimal operating temperature faster, reducing unburned hydrocarbons and improving overall emission compliance.
What is the warranty coverage?
A-Premium offers a one‑year unlimited‑mileage guarantee covering any defects in materials or workmanship.





Valve Spring Lock Crown Automotive Machined Metal
Holley 26-41 Vacuum Check Valve Plastic
Speedmaster 269 Valve Lock Automotive Replacement
Reviews
There are no reviews yet.