Dorman 911-980 Secondary Air Injection Check Valve

Overview of Dorman Secondary Air Injection Check Valve 911-980

The Dorman 911-980 Secondary Air Injection Check Valve is designed to maintain proper air flow within the emission control system of select BMW models. Engineered from cast aluminum, this valve ensures durability and reliable performance for BMW 325Ci and 325i vehicles.

• Constructed from durable cast aluminum material
• Measures 4.436 inches in length for precise fitment
• Features a spring-loaded valve type for effective air flow control
• Includes three ports with inlet size of 0.9 inches and outlet size of 0.597 inches
• Mounting hole diameter of 0.262 inches for secure installation
• Operates within a temperature range of -40°C to 125°C
• Maximum pressure rating of 5 psi suitable for emission system requirements
• Package includes one secondary air injection check valve and one gasket

Detailed Product Description

The Dorman 911-980 secondary air injection check valve is a critical component in the emission control system of BMW 325Ci and 325i models. Crafted from cast aluminum, it offers resistance to corrosion and heat, ensuring long-term reliability. The spring-loaded valve design prevents backflow, maintaining proper air injection to reduce harmful emissions. With three ports and specific inlet and outlet sizes, this valve integrates seamlessly into the secondary air injection system. Its compact length of 4.436 inches and mounting hole diameter of 0.262 inches allow for straightforward replacement without modification.

Compatible Vehicles and Common Applications

• Compatible with BMW 325Ci models requiring secondary air injection system maintenance
• Suitable for BMW 325i vehicles experiencing emission control issues
• Addresses problems such as secondary air injection system failure
• Helps resolve check valve leaks and air flow restrictions
• Prevents backflow that can trigger emission-related fault codes

Installation Notes and Tips

Installation of the Dorman 911-980 check valve should be performed with care to ensure proper sealing and function. Use the included gasket to prevent air leaks. Verify the orientation of the spring-loaded valve to maintain correct air flow direction. Ensure mounting holes align precisely with the vehicle’s bracket to avoid stress on the valve body. It is recommended to inspect related hoses and connectors during installation for any signs of wear or damage.

Quality Assurance and Warranty

Dorman manufactures the 911-980 secondary air injection check valve to meet or exceed OEM specifications for fit, form, and function. The cast aluminum construction and spring-loaded valve mechanism are tested for durability under typical operating conditions. This part is backed by Dorman’s standard warranty coverage, providing confidence in its performance and longevity when installed in compatible BMW 325Ci and 325i models.