Dorman 911-331 Vapor Canister Purge Valve

Overview of the Dorman Vapor Canister Purge Valve 911-331

The Dorman 911-331 vapor canister purge valve is designed for precise emission control in select Nissan vehicles. This component plays a critical role in managing fuel vapor flow, helping maintain your vehicle's evaporative system efficiency.

• Compatible with Nissan Cube, NV200, Sentra, Versa, and Versa Note models
• Durable housing constructed from both metal and plastic materials
• Elliptical connector shape with a 0.17-inch inside diameter hose connection
• Includes two mounting holes with a diameter of 0.273 inches each for secure installation
• Features two electrical terminals and one vacuum port with a 0.17-inch diameter
• Compact length of 1.858 inches for easy fitment in tight engine compartments

Technical Details and Specifications

The Dorman 911-331 vapor canister purge valve is engineered with a combination of metal and plastic housing materials to balance durability and weight. It features an elliptical connector shape designed to fit specific vacuum hoses with a 0.17-inch inside diameter. The valve includes two electrical terminals to ensure reliable electrical connections and one vacuum port to regulate vapor flow effectively. The mounting system uses two holes, each 0.273 inches in diameter, allowing for stable attachment without included hardware. The valve’s ports measure 0.26 inches and 0.399 inches outside diameter, accommodating precise hose connections for optimal performance.

Purpose and Common Applications

This vapor canister purge valve is essential for controlling fuel vapor emissions in Nissan vehicles, helping to reduce environmental impact and maintain engine efficiency. It is commonly used to address issues such as:

• Check Engine Light triggered by evaporative system faults
• Rough idling or engine hesitation due to improper vapor flow
• Failed emissions tests related to evaporative system leaks
• Fuel odor caused by vapor leaks in the purge system
• Reduced fuel economy linked to malfunctioning purge valves

Installation Notes and Tips

When installing the Dorman 911-331 vapor canister purge valve, ensure the vehicle is compatible with Nissan Cube, NV200, Sentra, Versa, or Versa Note models. Verify the elliptical connector hose matches the 0.17-inch inside diameter specification. Use the two mounting holes for secure placement, noting that mounting hardware is not included and may need to be sourced separately. Properly connect the two electrical terminals and vacuum port to avoid leaks or electrical faults. It is recommended to inspect related hoses and connectors for wear during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control systems. The 911-331 vapor canister purge valve undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.