Dorman 994-012 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 994-012

The Dorman Vapor Canister Purge Valve 994-012 is designed for emission control in select Volvo vehicles. This component plays a critical role in managing fuel vapor flow, helping maintain your Volvo S80 or XC90's evaporative system efficiency.

• Connector hose inside diameter: 11.8 mm
• Blade terminal type with 2 male terminals
• Single female rectangular connector
• Durable plastic housing material
• Two ports with outside diameters of 10.4 mm and 20.6 mm
• Inlet inside diameter of 4.9 mm
• Length of 90.6 mm
• Mounting hardware not required
• Package includes one purge valve

Detailed Product Description

The Dorman 994-012 vapor canister purge valve is engineered to regulate the flow of fuel vapors from the charcoal canister to the intake manifold. Its plastic housing ensures resistance to corrosion and heat, while the blade terminal type with two male terminals and a single female rectangular connector provides secure and reliable electrical connections. The valve features two ports with precise outside diameters (10.4 mm and 20.6 mm) and an inlet inside diameter of 4.9 mm, designed to fit seamlessly within the evaporative system of Volvo S80 and XC90 models. Measuring 90.6 mm in length, this valve integrates without the need for additional mounting hardware, simplifying replacement.

Common Applications and Issues Addressed

• Helps prevent fuel vapor leaks that can trigger the check engine light
• Maintains proper fuel vapor flow to reduce emissions
• Resolves rough idling caused by faulty purge valve operation
• Improves fuel efficiency by ensuring correct evaporative system function
• Prevents failed emissions tests related to evaporative system faults

Installation Notes and Tips

Installation of the Dorman 994-012 purge valve is straightforward due to its direct fit design for Volvo S80 and XC90 models. No mounting hardware is required, and the valve connects via a single female rectangular connector with blade terminals. Ensure the connector hose inside diameter of 11.8 mm matches your vehicle’s specifications for a proper seal. Verify the orientation of the two ports (10.4 mm and 20.6 mm outside diameters) to align with the existing evaporative system hoses.

Quality Assurance

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 994-012 vapor canister purge valve undergoes rigorous quality control to ensure durability and reliable performance in Volvo S80 and XC90 vehicles. While specific warranty details are not provided, Dorman typically offers limited warranties on their emission control components to support customer confidence.