Standard Ignition CVS121 Vapor Canister Vent Solenoid

Vapor Canister Vent Solenoid for GM Trucks

Standard Ignition CVS121 is a direct-fit vapor canister vent solenoid for emission control service. It is built with high-quality materials for demanding underhood conditions and is tested for reliable operation. This part is a practical replacement for Silverado 1500 and Sierra 1500 applications that need accurate EVAP vent control.

Key Features

• Direct-fit OE replacement for easier installation
• Female connector with one connector and round/square connector shape
• Male blade terminals with 2 terminal blades
• Includes a filter element
• Two hose connectors for EVAP system routing
• Standard Ignition CVS121 for emission control repair

Detailed Description

The Standard Ignition CVS121 vapor canister vent solenoid helps control airflow in the evaporative emissions system by opening and closing the vent path as commanded by the vehicle. It is a direct replacement for GM truck applications, including 2011-2013 Chevrolet Silverado 1500 and 2011-2013 GMC Sierra 1500, with additional 2012 Chevrolet Silverado 1500 hose-equipped coverage. This part cross-references Dorman OE Solutions 911-524 for the same application.

Standard Ignition CVS121 is built to match OE-style fitment and connection points, helping restore proper EVAP system function without custom modification. The part number CVS121 is also useful when searching for a vapor canister vent solenoid for Silverado 1500 or Sierra 1500 emission control repair.

What It Helps Fix

• EVAP leak codes related to vent valve operation
• Fuel vapor control issues in the evaporative emissions system
• Check engine lights caused by vent solenoid faults
• Sticking, clogged, or unresponsive canister vent operation
• Hard-to-diagnose emissions inspection failures

Installation Notes and Tips

Verify connector style, hose routing, and mounting location before installation. Compare the original part to CVS121 to confirm the connector gender, terminal type, and hose connection layout. For Silverado 1500 and Sierra 1500 service, inspect nearby EVAP hoses and seals for damage before completing the repair.

Quality Assurance

Standard Ignition states that this vent solenoid uses durable materials, undergoes extensive testing, and is produced under complete quality control throughout manufacturing. That process supports consistent fit and dependable operation in emission control service.