Dorman 911-481 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-481

The Dorman Vapor Canister Purge Valve 911-481 is designed to regulate fuel vapor flow in the evaporative emission control system. This valve is compatible with various Chrysler, Dodge, Jeep, and Ram models, including the Avenger, Caliber, Compass, and Grand Caravan, ensuring proper emission control and engine performance.

• Connector hose inside diameter: 0.249 inches
• Elliptical connector shape for secure fitment
• Durable plastic housing material
• Two electrical terminals for reliable connection
• Length of 4.879 inches for precise installation
• Port 1 outside diameter: 0.249 inches; Port 2 outside diameter: 0.182 inches
• Includes one valve per package

Technical Details and Compatibility

This vapor canister purge valve features a plastic housing that resists corrosion and withstands engine bay conditions. The elliptical connector shape and 0.249-inch inside diameter hose connector ensure a tight seal with the evaporative system hoses. With two electrical terminals, the valve integrates seamlessly with the vehicle’s control system. Measuring 4.879 inches in length, it fits precisely in the designated mounting area without additional hardware, as mounting hardware is not included.

The Dorman 911-481 valve is compatible with a range of Chrysler, Dodge, Jeep, and Ram vehicles, including the 200 model year Avenger, C/V, Caliber, Cirrus, Compass, Grand Caravan, Journey, Pacifica, Patriot, Sebring, and Town & Country. This ensures that the valve meets the specific requirements of these models’ evaporative emission systems.

Purpose and Common Issues Addressed

• Controls fuel vapor flow from the charcoal canister to the intake manifold
• Prevents fuel vapor leaks that can trigger the check engine light
• Helps maintain proper engine idle and performance by regulating vapor purge
• Reduces harmful emissions by ensuring vapor is burned in the engine
• Addresses issues related to rough idling, failed emissions tests, and poor fuel economy

Installation Notes and Tips

• Verify vehicle compatibility with the Dorman 911-481 part number before installation
• Ensure all connectors and hoses are clean and free of debris for a secure fit
• Disconnect the battery before replacing the valve to avoid electrical shorts
• Check for vacuum leaks after installation to confirm proper sealing
• Use appropriate tools to avoid damaging the plastic housing or connectors

Quality Assurance and Warranty

Dorman manufactures this vapor canister purge valve to meet or exceed OEM specifications for fit, form, and function. The plastic housing and electrical terminals are designed for durability and reliable operation within the evaporative system. While mounting hardware is not included, the valve is engineered for straightforward replacement. Please refer to Dorman’s warranty policy for specific coverage details related to the 911-481 part.