Dorman 911-167 Secondary Air Injection Check Valve

Reliable Secondary Air Injection Check Valve for Ford Fusion and Mercury Milan

The Dorman 911-167 Secondary Air Injection Check Valve is engineered to maintain optimal emission control performance in your Ford Fusion or Mercury Milan. Crafted from durable cast aluminum, this check valve ensures consistent operation within a wide temperature range, supporting your vehicle's air injection system effectively.

• Constructed from cast aluminum for durability and corrosion resistance
• Black and silver finish for enhanced protection and longevity
• Inlet size of 0.748 inches and outlet size of 0.629 inches for precise fitment
• Maximum pressure rating of 15 psi to handle system demands
• Operates reliably within a temperature range of -40°C to 125°C
• Designed as a check valve to prevent backflow in the secondary air injection system
• Includes one secondary air injection check valve per package

Detailed Product Description

The Dorman 911-167 Secondary Air Injection Check Valve is a critical component in the emission control system of select Ford and Mercury vehicles, specifically the Fusion and Milan models. Made from cast aluminum, this valve offers strength and resistance to the harsh conditions found under the hood. Its black and silver finish adds an extra layer of protection against corrosion and wear. The valve’s inlet and outlet sizes (0.748 inches and 0.629 inches respectively) are designed to match OEM specifications, ensuring a proper seal and fit. With a maximum pressure rating of 15 psi, it can withstand the pressures generated during the air injection process. The valve operates efficiently across a broad temperature range from -40°C to 125°C, making it suitable for various climates and driving conditions.

Purpose and Common Issues Addressed

• Prevents exhaust gases from flowing back into the secondary air injection system
• Helps reduce harmful emissions by supporting proper air injection
• Resolves check valve failure symptoms such as rough idling or failed emissions tests
• Eliminates air injection system leaks that can trigger engine warning lights
• Maintains system pressure to ensure effective catalytic converter operation

Installation Notes and Tips

• Verify compatibility with Ford Fusion and Mercury Milan models before installation
• Inspect surrounding hoses and fittings for wear or damage during replacement
• Ensure the valve is installed in the correct orientation to prevent backflow
• Use appropriate tools to avoid damaging the cast aluminum housing
• Consult vehicle service manual for torque specifications and detailed procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 911-167 Secondary Air Injection Check Valve undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.