Dorman 911-498 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-498

The Dorman Vapor Canister Purge Valve 911-498 is designed specifically for Toyota Tundra models, ensuring precise fitment and reliable operation. This essential emission control component helps regulate fuel vapor flow, contributing to your vehicle's evaporative system efficiency.

• Connector hose inside diameter: 0.5 inches
• Blade terminal type with 2 male terminals
• Single elliptical male connector
• Durable plastic housing material
• Inlet inside diameter: 0.64 inches
• Overall length: 3.75 inches
• Two mounting holes with 0.275 inch diameter each
• Two ports with outside diameters of 0.75 inches and 0.158 inches
• Package includes one purge valve (mounting hardware not included)

Detailed Product Description

The Dorman 911-498 vapor canister purge valve is engineered to meet the specifications required for Toyota Tundra vehicles. Constructed with a plastic housing, this valve features a compact 3.75-inch length and two mounting holes for secure installation. The elliptical male connector and blade-type terminals provide a reliable electrical connection, while the precise port diameters ensure proper vapor flow within the evaporative system. This purge valve controls the release of fuel vapors from the charcoal canister to the engine intake manifold, helping reduce emissions and maintain engine performance.

Common Applications and Issues Addressed

• Prevents fuel vapor leaks in the evaporative emission system
• Resolves check engine light codes related to purge valve malfunction
• Improves fuel efficiency by regulating vapor flow
• Eliminates rough idling caused by faulty purge valve operation
• Supports compliance with emission standards for Toyota Tundra vehicles

Installation Notes and Tips

Installation of the Dorman 911-498 purge valve requires removal of the old valve from the evaporative system. Ensure the mounting holes align with the vehicle’s bracket and secure the valve using appropriate hardware (not included). Connect the elliptical male connector and blade terminals firmly to avoid electrical issues. Verify that the inlet and outlet ports are properly connected to the corresponding hoses with matching diameters to prevent vapor leaks. It is recommended to inspect surrounding components for wear during installation.

Quality Assurance and Warranty

Dorman manufactures the 911-498 vapor canister purge valve to meet or exceed OEM standards for durability and performance. The plastic housing and terminal design provide resistance to heat and corrosion commonly found in engine compartments. While mounting hardware is not included, the valve is designed for straightforward replacement on compatible Toyota Tundra models. Please refer to Dorman’s warranty policy for specific coverage details.