Dorman OE Solutions 911-237 Evaporative Emissions Canister Vent Valve (with Filter Assembly) DIRECT REPLACEMENT: This Dorman Evaporative Emissions Canister Vent Valve replaces the original vapor canister vent solenoid on select Chevrolet Silverado and GMC Sierra models from the years 2004 through 2010. ENSURES COMPLIANCE: This part restores onboard diagnosis of the EVAP system, improving performance and allowing the vehicle to pass certain state inspections. DURABLY ENGINEERED: Professional engineering and manufacturing makes this part resilient to harsh road and weather conditions. SUPPORT AVAILABLE: If you have any trouble, every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team. ENSURE FIT: Just input your specific year, make, model and trim in Amazon Garage to ensure this part fits your exact vehicle.