Dorman 911-388 Vapor Canister Purge Valve

Dorman 911-388 Vapor Canister Purge Valve

Dorman 911-388 is a direct replacement vapor canister purge valve for the evaporative emissions system. It is built for a precise fit and plug-and-play installation, with the correct electrical and hose connections for the original application.

Compatible with Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited applications, this purge valve helps maintain proper EVAP system operation and supports emissions compliance. The Dorman 911-388 is a practical OE-style replacement when the original valve is no longer sealing or responding correctly.

Key Features

• Direct replacement vapor canister purge valve for the EVAP system
• Engineered for a precise fit and plug-and-play installation
• Plastic housing with an elliptical connector shape
• 2-terminal electrical connection
• Inlet inside diameter: 0.198 in
• Port outside diameters: 0.312 in and 0.311 in
• Length: 3.997 in
• Fits Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited applications

Detailed Description

The Dorman 911-388 vapor canister purge valve is a direct-fit replacement for the original equipment valve used in the evaporative emissions control system. It is designed to restore proper purge control between the charcoal canister and engine intake, helping the vehicle manage fuel vapors as intended. This part number 911-388 is a fitment-based solution for 2011-2016 Chevrolet Cruze, 2016 Chevrolet Cruze Limited, and 2012-2018 Chevrolet Sonic applications.

This part cross-references Standard Ignition CP780 for the same application. The Dorman 911-388 is also referenced against 2M1337, 55567453, CP869, and PV703.

What It Helps Fix

• EVAP system fault codes related to purge valve performance
• Rough idle caused by a purge valve that is stuck open or closed
• Fuel vapor control issues that can trigger a check engine light
• Failed emissions inspection caused by evaporative system malfunction
• Hard starting or drivability concerns tied to incorrect vapor purge operation

Installation Notes

Verify hose diameter, connector shape, and terminal count before installation. This valve uses a 2-terminal electrical connection, an elliptical connector shape, and no mounting hardware is included. Confirm the vehicle application against the listed fitment for Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited before replacing the original part.

Quality Assurance

Dorman positions this purge valve as a direct replacement built to meet the original fit and function requirements of the evaporative emissions system. It is intended to satisfy government emissions requirements when installed on the correct application.