Description: Helps provide a leak-free seal Allows exhaust pollutants to enter the engine for re-burn Helps the engine emission system operate properly This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Impala, Monte Carlo. All models. Grand Prix. 3.8l. Egr valve & sensors. 3.5L. Helps reduce harmful pollutants from entering the atmosphere Captures fuel vapors to be re-burned in the engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Terraza, Uplander. Impala, Monte Carlo. Relay. Location-Vapor Canister. Round Filter. GTO. Without round shape valve. Grand Prix. 3.6L. Montana SV6. Controls fresh air flow to the canister Sends fuel vapors to the engine for re-burn Helps control fuel tank pressure This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors