Dorman 911-388 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-388

The Dorman 911-388 vapor canister purge valve is designed for emission control systems in select Chevrolet models. This component plays a critical role in managing fuel vapor flow, helping maintain your vehicle's evaporative system efficiency.

• Connector hose inside diameter: 0.198 inches
• Elliptical connector shape for secure fitment
• Durable plastic housing material
• Two electrical terminals for reliable connection
• Length of 3.997 inches for precise installation
• Includes one vapor canister purge valve per package
• Port 1 outside diameter: 0.312 inches; Port 2 outside diameter: 0.311 inches

Detailed Product Description

The Dorman 911-388 vapor canister purge valve is engineered to meet the specifications required for Chevrolet Cruze, Cruze Limited, and Sonic models. Constructed with a plastic housing, this valve features an elliptical connector shape and two terminals, ensuring a secure and stable electrical connection. The connector hose inside diameter and inlet inside diameter both measure 0.198 inches, providing consistent vapor flow control. With a length of just under 4 inches, this valve fits precisely within the evaporative system without requiring additional mounting hardware.

Purpose and Common Issues Addressed

• Regulates fuel vapor flow from the charcoal canister to the engine intake manifold
• Prevents fuel vapor leaks that can trigger the check engine light
• Helps maintain proper evaporative emissions system function
• Reduces potential drivability problems related to vapor purge valve failure
• Supports compliance with emissions regulations for Chevrolet Cruze and Sonic vehicles

Installation Notes and Tips

• Compatible with Chevrolet Cruze, Cruze Limited, and Sonic models—verify fitment before installation
• No mounting hardware included; reuse existing hardware or source separately if needed
• Ensure electrical connectors are clean and secure to avoid connection issues
• Inspect surrounding hoses and connectors for wear during replacement
• Follow vehicle manufacturer guidelines for safe removal and installation

Quality Assurance and Warranty

Dorman manufactures the 911-388 vapor canister purge valve to meet or exceed OEM standards for fit, form, and function. The plastic housing and precise dimensions ensure durability and reliable operation within the evaporative system. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or your supplier for exact warranty terms.