Dorman 911-438 Vapor Canister Purge Valve

Overview of the Dorman Vapor Canister Purge Valve 911-438

The Dorman 911-438 vapor canister purge valve is designed for precise emission control in select Acura and Honda vehicles. This component plays a critical role in managing fuel vapor flow to reduce emissions and maintain engine efficiency.

• Durable plastic housing for corrosion resistance
• Includes one vapor canister purge valve per package
• Two vacuum connectors for secure attachment
• 8 mm vacuum connector diameter for proper fitment
• Compatible with Acura and Honda models including Accord, Element, and TSX

Detailed Product Description

The vapor canister purge valve 911-438 by Dorman is engineered with a plastic housing that offers durability and resistance to environmental factors. It features two vacuum connectors, each with an 8 mm diameter, ensuring a reliable connection within the evaporative emission control system. This valve regulates the flow of fuel vapors from the charcoal canister to the intake manifold, helping to reduce harmful emissions and improve fuel economy. Specifically designed for Acura and Honda vehicles such as the Accord, Element, and TSX, this part meets the exact specifications required for proper operation within these models.

Common Applications and Issues Addressed

• Prevents fuel vapor leaks that trigger the check engine light
• Helps resolve rough idling caused by faulty purge valve operation
• Reduces evaporative emissions to comply with environmental standards
• Improves fuel efficiency by ensuring proper vapor flow
• Eliminates issues related to failed or stuck purge valves in Acura and Honda vehicles

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Verify vacuum connector sizes match the vehicle’s specifications (8 mm diameter)
• Inspect surrounding hoses and connectors for wear or damage during replacement
• Follow vehicle-specific service manual instructions for removal and installation
• Check for proper valve operation after installation to confirm repair

Quality Assurance and Warranty

Dorman manufactures the 911-438 vapor canister purge valve to meet or exceed OEM standards for fit, form, and function. The plastic housing is designed to withstand typical engine bay conditions without degradation. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.