Standard Ignition AV18 Secondary Air Injection Pump Check Valve

Overview of Standard Ignition Secondary Air Injection Pump Check Valve

The Standard Ignition AV18 Secondary Air Injection Pump Check Valve is designed to maintain proper air flow within the emission control system of select Ford and Mercury vehicles. This valve ensures efficient operation of the secondary air injection pump, contributing to reduced emissions and improved engine performance.

• Compatible with Ford Escort, LN7, Lynx, Taurus, Tempo, and Mercury Topaz models
• 3/4 inch hose size for secure connection
• 8.5 inches in length for precise fitment
• 3/8" - 18 NPT thread size for reliable sealing
• Includes valve component for secondary air injection system

Product Specifications and Attributes

The AV18 check valve features a 3/4 inch hose size, which corresponds to approximately 19 mm, ensuring compatibility with the secondary air injection hoses on applicable Ford and Mercury vehicles. Measuring 8.5 inches in length, this valve fits accurately within the air injection system layout. The 3/8" - 18 NPT thread size provides a secure and leak-resistant connection point, critical for maintaining system integrity and preventing exhaust emissions from escaping.

Function and Application in Ford and Mercury Vehicles

This secondary air injection pump check valve is essential for controlling the flow of air injected into the exhaust stream during cold engine starts. It prevents exhaust gases from flowing back into the pump, protecting the system components and ensuring compliance with emission standards. The AV18 valve is specifically compatible with Ford Escort, LN7, Lynx, Taurus, Tempo, and Mercury Topaz models, making it a targeted replacement part for these vehicles.

• Prevents backflow of exhaust gases into the air injection pump
• Maintains proper air flow for emission control during cold starts
• Helps reduce harmful emissions and supports emission system efficiency
• Protects secondary air injection pump from damage
• Ensures consistent engine performance and emission compliance

Installation Notes and Tips

When installing the Standard Ignition AV18 check valve, ensure the hose size matches the 3/4 inch specification for a proper seal. Verify the 3/8" - 18 NPT thread engagement is secure but avoid over-tightening to prevent damage. Inspect the surrounding air injection system components for wear or damage during installation. Proper orientation of the valve is critical to prevent backflow and maintain system function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AV18 Secondary Air Injection Pump Check Valve undergoes rigorous quality control to maintain consistent standards. Warranty coverage details are provided by Standard Ignition and typically cover defects in material and workmanship under normal use conditions.