Dorman 911-855 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-855

The Dorman Vapor Canister Purge Valve 911-855 is designed for precise emission control in select Mercedes-Benz vehicles. Engineered with a durable plastic housing, this purge valve ensures reliable operation within the evaporative system of your Mercedes-Benz E63 AMG, E350, E550, and SL65 AMG models.

• Durable plastic housing for corrosion resistance
• Includes one purge valve per package
• Two vacuum connectors with 0.33 inch diameter each
• Compatible with Mercedes-Benz E63 AMG, E350, E550, and SL65 AMG
• OEM-quality fit and function for emission control systems

Detailed Product Description

The Dorman 911-855 vapor canister purge valve plays a critical role in the evaporative emission control system by regulating the flow of fuel vapors from the charcoal canister to the engine intake manifold. Constructed with a plastic housing, this valve resists corrosion and withstands the high temperatures typical in engine compartments. Featuring two vacuum connectors each measuring 0.33 inches in diameter, it ensures a secure and leak-free connection to the vehicle’s vacuum lines. This part is specifically designed to meet the specifications of Mercedes-Benz E63 AMG, E350, E550, and SL65 AMG models, providing a direct replacement that maintains factory performance standards.

Common Applications and Issues Addressed

• Prevents fuel vapor leaks that can trigger the check engine light
• Resolves rough idling caused by faulty purge valve operation
• Improves fuel efficiency by maintaining proper vapor flow
• Eliminates hard starting issues related to evaporative system malfunctions
• Reduces emissions to comply with environmental regulations

Installation Notes and Tips

Installation of the Dorman 911-855 purge valve requires basic mechanical skills and tools. Ensure the engine is cool before beginning work. Disconnect the battery to prevent electrical shorts. Carefully remove the old purge valve by detaching the two vacuum connectors and any mounting hardware. Install the new valve by connecting the vacuum lines to the 0.33 inch diameter connectors and securing the valve in place. Verify all connections are tight to prevent vacuum leaks. After installation, clear any diagnostic trouble codes and perform a system check to confirm proper operation.

Quality Assurance and Warranty

Dorman manufactures the 911-855 vapor canister purge valve to meet or exceed OEM standards for fit, form, and function. The plastic housing is engineered for durability and resistance to environmental factors. This part is backed by Dorman’s limited warranty, which covers defects in material and workmanship under normal use. Refer to Dorman’s warranty policy for specific terms and conditions.