Dorman 994-016 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 994-016

The Dorman Vapor Canister Purge Valve 994-016 is designed to regulate fuel vapor flow in the evaporative emission control system. This component is compatible with select Lexus and Toyota models, including the 4Runner, GS430, GX470, Land Cruiser, LX470, SC430, Sequoia, and Tundra.

• Connector hose inside diameter: 8 mm
• Blade terminal type with 2 male terminals
• Single female rectangular connector
• Durable plastic housing material
• Two ports with 8.4 mm outside diameter each
• Inlet inside diameter of 5.6 mm
• Length of 79 mm for precise fitment
• One mounting hole with 8.7 mm diameter and included mounting hardware
• Package includes one purge valve and one mount screw

Detailed Product Description

The Dorman 994-016 vapor canister purge valve is engineered to meet the specifications required for proper evaporative system function in various Lexus and Toyota vehicles. Its plastic housing ensures resistance to corrosion and heat, while the blade-type terminals provide secure electrical connections. The valve features a single female rectangular connector with two male terminals, designed for reliable engagement with the vehicle’s wiring harness. The dual ports, each with an 8.4 mm outside diameter, and an inlet inside diameter of 5.6 mm, facilitate efficient vapor flow control. Measuring 79 mm in length, this valve fits precisely in the designated mounting location, secured by a single mounting hole with an 8.7 mm diameter. The included mounting hardware simplifies installation.

Compatible Vehicles and Common Applications

This vapor canister purge valve is compatible with the following Lexus and Toyota models:

• Lexus 4Runner, GS430, GX470, Land Cruiser, LX470, SC430
• Toyota Sequoia, Tundra

It is designed to address issues such as:

• Check engine light triggered by evaporative system faults
• Rough idling or engine hesitation due to improper vapor purge
• Failed emissions tests related to vapor leak detection
• Fuel odor caused by vapor canister leaks
• Reduced fuel efficiency linked to purge valve malfunction

Installation Notes and Tips

When installing the Dorman 994-016 vapor canister purge valve, ensure the connector hose inside diameter of 8 mm matches the vehicle’s hose size for a secure fit. Verify the blade terminal connections are properly seated to avoid electrical issues. The valve’s plastic housing should be handled carefully to prevent damage during installation. Use the included mounting screw to secure the valve firmly in place, aligning the 8.7 mm mounting hole accurately. It is recommended to inspect surrounding hoses and connectors for wear or damage during replacement.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 994-016 vapor canister purge valve undergoes quality control testing to ensure reliable operation within the evaporative emission system. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.