Dorman 911-647 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-647

The Dorman 911-647 vapor canister purge valve is designed specifically for Subaru Impreza models, ensuring precise control of fuel vapor flow within the evaporative emission system. This component helps maintain optimal engine performance and reduces harmful emissions by regulating vapor purge efficiently.

• Durable plastic housing for corrosion resistance
• Two terminals for reliable electrical connection
• Inlet inside diameter of 0.090 inches for accurate vapor flow
• Compact length of 2.5 inches for easy fitment
• Includes one mounting bracket and vapor canister purge valve
• Mount hole diameter of 8.45 inches with one mount hole for secure installation
• Port outside diameters of 6.35 inches for both ports
• Thread diameter of 0.236 inches and two vacuum connectors with 0.255 inch diameter

Detailed Product Description

The Dorman 911-647 vapor canister purge valve is engineered with a plastic housing that resists corrosion and withstands the harsh conditions of the engine bay. Featuring two electrical terminals, this valve ensures consistent operation within the evaporative system. The inlet inside diameter of 0.090 inches and port outside diameters of 6.35 inches allow for precise vapor flow control, which is critical for maintaining emission standards. Its compact 2.5-inch length and mounting hole diameter of 8.45 inches with a single mount hole facilitate straightforward installation on Subaru Impreza vehicles. The package includes both the vapor canister purge valve and a mounting bracket, providing a complete replacement solution.

Common Applications and Issues Addressed

• Prevents fuel vapor leaks that trigger the check engine light
• Resolves rough idling caused by faulty purge valve operation
• Improves fuel efficiency by regulating vapor flow
• Reduces evaporative emissions to meet environmental standards
• Eliminates hard starting issues related to vapor canister malfunction

Installation Notes and Tips

When installing the Dorman 911-647 vapor canister purge valve on a Subaru Impreza, ensure the electrical connectors are securely attached to the two terminals. Verify that the vacuum connectors with 0.255 inch diameter are properly connected to the corresponding hoses. Use the included mounting bracket and align the single mount hole with the vehicle’s mounting point for a secure fit. It is recommended to inspect surrounding hoses and connectors for wear or damage during installation to maintain system integrity.

Quality Assurance and Warranty

Dorman manufactures the 911-647 vapor canister purge valve to meet or exceed OEM specifications for fit, form, and function. The plastic housing and precise dimensions ensure durability and reliable performance in Subaru Impreza models. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.