Dorman 911-482 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-482

The Dorman 911-482 Vapor Canister Purge Valve is designed to regulate fuel vapor flow in the evaporative emission control system. This valve is compatible with select Dodge, Jeep, Mitsubishi, and Ram models, ensuring proper emission control and engine performance.

• Connector hose inside diameter: 0.239 inches
• Elliptical connector shape for secure fitment
• Durable plastic housing material
• Two electrical terminals for reliable connection
• Length of 4.801 inches for precise installation
• Includes one valve per package
• Port 1 outside diameter: 0.239 inches; Port 2 outside diameter: 0.187 inches

Technical Details and Compatibility

The Dorman 911-482 purge valve features a plastic housing designed to withstand typical engine bay conditions while maintaining functionality. Its elliptical connector shape and specific port diameters (0.239 in and 0.187 in) ensure a proper seal and fit within the evaporative system. With two electrical terminals and no vacuum ports, this valve is engineered for direct control of vapor flow without additional vacuum lines. The 4.801-inch length allows it to fit securely in the designated mounting area, although mounting hardware is not included.

This vapor canister purge valve is compatible with various models including Dodge Dakota, Jeep Liberty, Jeep Nitro, Mitsubishi Raider, Dodge Viper, Ram, and Jeep Wrangler (including Wrangler JK). The part number 911-482 should be referenced to confirm fitment with your specific vehicle.

Function 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 evaporative emissions to comply with environmental standards
• Resolves issues related to rough idling, failed emissions tests, and fuel odor

Installation Notes and Tips

• Ensure the vehicle is cool and ignition is off before installation
• Verify connector hose inside diameter matches 0.239 inches for proper fit
• Check electrical connections for corrosion or damage prior to installation
• Mounting hardware is not included; reuse existing hardware or source compatible fasteners
• Consult vehicle service manual for specific removal and installation procedures

Quality Assurance and Warranty

Dorman manufactures the 911-482 vapor canister purge valve to meet or exceed OEM specifications. The plastic housing and electrical terminals are designed for durability and reliable operation within the evaporative system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.