Standard Ignition CVS34 Vapor Canister Vent Solenoid

Vapor Canister Vent Solenoid for GM Trucks

The Standard Ignition CVS34 vapor canister vent solenoid is a direct-fit emission control component for select Chevrolet Silverado and GMC Sierra applications. It uses OE-quality connectors and terminals for a secure harness connection, with a high-grade plastic housing built to handle engine bay heat and environmental exposure.

Fits 2004-2010 Chevrolet Silverado and GMC Sierra applications listed below, including ported vacuum switch with dual ports configurations and related OE-style replacements.

Key Features

• High-grade industrial plastic housing for heat resistance and long service life
• OE-quality connector and terminal design for proper wire harness engagement
• Female connector with 1 connector, 2 male blade terminals
• 3-port design with 5/8 in. hose size and included filter element
• Manufactured in TS 14001 and ISO/TS 16949 certified facility
• Standard Ignition CVS34 cross-references Dorman OE Solutions 911-237 and Gates PV430 for the same application

Detailed Description

Standard Ignition CVS34 is a vapor canister vent solenoid used in evaporative emission control systems to manage venting at the canister. The one-piece molding construction helps improve resistance to moisture, heat, and other underhood conditions, while the OE-style connector layout supports a reliable electrical connection. This part number is commonly searched for Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD fitments.

Compatible vehicle coverage includes 2004-2010 Chevrolet Silverado 1500, 2004-2010 Chevrolet Silverado 2500 HD, 2007-2010 Chevrolet Silverado 3500 HD, 2005-2010 GMC Sierra 1500, 2005-2010 GMC Sierra 2500 HD, and 2007-2010 GMC Sierra 3500 HD, along with additional Silverado and Sierra Classic applications listed in the fitment data. If you are replacing a failed CVS34 vent solenoid, this OE-style unit is built for direct electrical and hose connection matching on the specified vehicles.

What It Helps Fix

• Evaporative emissions fault codes related to vent solenoid operation
• Fuel vapor venting problems at the charcoal canister
• Rough EVAP system sealing or vent control issues
• Electrical connection problems caused by worn connectors or terminals
• Heat- and moisture-related vent solenoid failure

Installation Notes and Tips

• Verify the connector style, port count, and hose size before installation.
• Inspect the EVAP hose routing and replace damaged hoses or seals as needed.
• Clear diagnostic trouble codes after installation and confirm EVAP system operation.
• Use the vehicle-specific fitment notes for Silverado and Sierra models, especially dual-port and solenoid-only applications.

Quality Assurance

Standard Ignition manufactures this part in a TS 14001 and ISO/TS 16949 certified facility. The CVS34 is built with OE-quality connectors and terminals and uses a proprietary one-piece molding process to improve resistance to environmental exposure.