Dorman 911-154 Secondary Air Injection Check Valve

Reliable Secondary Air Injection Check Valve for Buick and Pontiac

The Dorman 911-154 Secondary Air Injection Check Valve is engineered to maintain optimal emission control in select Buick and Pontiac vehicles. Designed with durable cast aluminum and a solenoid valve type, this check valve supports efficient air injection system performance.

• Constructed from cast aluminum for strength and durability
• Black and silver finish for corrosion resistance
• Inlet size: 0.94 inches; outlet size: 0.8 inches
• Maximum pressure rating of 18 psi
• Operates within a temperature range of -40°C to 125°C
• Solenoid valve type for precise air flow control

Durable Design and Precise Fitment

The Dorman 911-154 check valve is specifically designed for the secondary air injection system in Buick Allure, LaCrosse, and Lucerne models, as well as Pontiac Grand Prix vehicles. Its cast aluminum construction ensures long-lasting durability under harsh engine conditions, while the black and silver finish provides additional protection against corrosion. The valve’s inlet and outlet sizes (0.94 in and 0.8 in respectively) are engineered to match OEM specifications, ensuring a secure and leak-free fit. With a maximum pressure rating of 18 psi and a working temperature range from -40°C to 125°C, this valve performs reliably across a wide range of operating environments.

Purpose and Common Applications

• Prevents backflow in the secondary air injection system
• Helps reduce harmful emissions by supporting proper air injection
• Maintains engine performance by ensuring correct air flow
• Addresses issues such as check valve failure or air injection system malfunctions
• Supports compliance with emission control regulations in Buick and Pontiac vehicles

Installation Notes and Tips

Installation of the Dorman 911-154 check valve should be performed by a qualified technician familiar with the secondary air injection system. Ensure the valve is installed in the correct orientation to prevent backflow and verify all connections are secure to avoid leaks. Inspect surrounding components for wear or damage during installation to maintain overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 911-154 Secondary Air Injection Check Valve undergoes rigorous quality control testing to ensure consistent operation within specified pressure and temperature ranges. Please refer to Dorman’s warranty policy for detailed coverage information.