Dorman 911-409 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-409

The Dorman 911-409 vapor canister purge valve is designed for precise control of fuel vapor flow in the evaporative emission system. This component is compatible with select Buick and Chevrolet models, including the Cruze, Cruze Limited, Encore, Sonic, and Trax. It ensures proper operation of the evaporative system to reduce emissions and maintain engine performance.

• Connector hose inside diameter: 0.236 inches
• Blade terminal type with 2 male terminals
• Single female rectangular connector
• Plastic housing for durability and corrosion resistance
• Inlet inside diameter: 0.197 inches
• Length: 10.4 inches
• Two ports with outside diameters of 0.311 and 0.315 inches
• Includes one vapor canister purge valve per package

Detailed Product Description

The Dorman 911-409 vapor canister purge valve is engineered to regulate the flow of fuel vapors from the charcoal canister to the intake manifold. Its plastic housing provides resistance to heat and chemical exposure, while the blade terminal type with two male terminals and a single female rectangular connector ensures secure electrical connections. The valve features two ports with precise outside diameters (0.311 and 0.315 inches) and an inlet inside diameter of 0.197 inches, facilitating proper vapor flow. Measuring 10.4 inches in length, this valve is designed to fit specific evaporative systems on Buick and Chevrolet vehicles, including the Cruze, Cruze Limited, Encore, Sonic, and Trax models.

Common Applications and Issues Addressed

• Helps prevent fuel vapor leaks that can trigger the check engine light
• Maintains proper evaporative system function to reduce emissions
• Resolves rough idle or engine hesitation caused by faulty purge valve operation
• Prevents failed emissions tests related to evaporative system malfunctions
• Supports fuel efficiency by controlling vapor flow accurately

Installation Notes and Tips

• Compatible with Buick Cruze, Cruze Limited, Encore, Chevrolet Sonic, and Trax models
• Ensure electrical connectors match the blade terminal and female rectangular connector design
• Verify port sizes and hose connections correspond to 0.311 and 0.315 inch outside diameters
• Installation does not include mounting hardware; use existing brackets or hardware
• Disconnect battery before installation to avoid electrical shorts

Quality Assurance and Warranty

Dorman manufactures the 911-409 vapor canister purge valve to meet or exceed OEM specifications for fit, form, and function. The plastic housing and terminal design are tested for durability under typical operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to Dorman's warranty policy for detailed terms.