Dorman 911-607 Secondary Air Injection Check Valve - Right

Reliable Secondary Air Injection Check Valve for Lexus and Toyota

The Dorman 911-607 Secondary Air Injection Check Valve is designed to maintain proper air flow in the emission control system of select Lexus and Toyota vehicles. Engineered to meet OEM specifications, this check valve helps ensure efficient operation of the secondary air injection system in models like the Lexus GX460 and Toyota Tundra.

• Constructed from durable aluminum, brass, and plastic materials for long-lasting performance
• Measures 8 inches in length with a mounting hole diameter of 0.356 inches for secure installation
• Features two ports with inlet size of 0.875 inches and outlet size of 0.716 inches
• Operates within a temperature range of -40°F to 250°F, suitable for various driving conditions
• Maximum pressure rating of 4.4 psi to withstand typical emission system pressures
• Includes one secondary air injection check valve and one gasket for installation

Durable Design and Precise Fitment

The Dorman 911-607 check valve is specifically designed for compatibility with Lexus GX460 and Toyota Sequoia and Tundra models. Its combination of aluminum, brass, and plastic components provides a balance of strength and corrosion resistance. The valve type is a check valve, which prevents backflow in the secondary air injection system, helping to reduce emissions and maintain engine efficiency. The black finish adds a protective layer against environmental factors.

Purpose and Common Applications

• Prevents exhaust gases from flowing back into the secondary air injection system
• Helps reduce harmful emissions by ensuring proper air injection during cold starts
• Maintains optimal engine performance by supporting emission control components
• Addresses issues such as check valve failure, air injection system leaks, and emission test failures
• Supports compliance with environmental regulations for Lexus GX460 and Toyota Tundra vehicles

Installation Notes and Tips

Installation of the Dorman 911-607 check valve requires basic mechanical skills and appropriate tools. Ensure the engine is cool before beginning work. Remove the old check valve carefully to avoid damage to surrounding components. Use the included gasket to create a proper seal and prevent leaks. Verify the mounting hole diameter of 0.356 inches matches the vehicle’s specifications. After installation, inspect for any air leaks and confirm proper operation of the secondary air injection system.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control systems. The 911-607 Secondary Air Injection Check Valve undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.