Pierburg 7.05817.05.0 Emission Check Valve

Reliable Pneumatic Emission Check Valve for Audi and Volkswagen

The Pierburg 7.05817.05.0 emission check valve is designed to maintain proper evaporative system function in select Audi and Volkswagen models. This pneumatic non-return valve ensures efficient control of fuel vapor emissions, supporting your vehicle's emission compliance.

• Brand: Pierburg
• Part Number: 7.05817.05.0
• Valve Type: Non-return valve
• Operating Mode: Pneumatic
• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Volkswagen Passat, and S5

Technical Details and Functionality

This emission check valve operates pneumatically to prevent backflow within the evaporative system, a critical component in controlling fuel vapor emissions. The non-return valve design allows vapor to flow in one direction only, preventing contamination and ensuring the system functions as intended. The Pierburg 7.05817.05.0 is engineered to meet OEM specifications for Audi and Volkswagen vehicles, including the A4, A4 Quattro, A6, A6 Quattro, Passat, and S5 models.

Purpose and Common Issues Addressed

• Prevents fuel vapor backflow in the evaporative emission system
• Helps maintain proper fuel vapor pressure regulation
• Reduces risk of failed emission tests due to vapor leaks
• Supports engine performance by ensuring correct vapor flow
• Mitigates check engine light triggers related to evaporative system faults

Installation Notes and Tips

Installation of the Pierburg 7.05817.05.0 emission check valve should be performed by a qualified technician familiar with Audi and Volkswagen evaporative systems. Ensure the valve is installed in the correct orientation to maintain proper vapor flow. Inspect connecting hoses and fittings for wear or damage during replacement to prevent future leaks.

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of emission control components, this check valve meets strict quality standards for durability and performance. While specific warranty details may vary, Pierburg products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.