Tahoe, Yukon. Suburban, Yukon XL. Avalanche. 5.3l. Escalade EXT, esv. 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

Vapor Canister Purge Solenoid

Location-Vapor Canister. Rectangular. Controls fresh air flow to the canister Sends fuel vapors to the engine for re-burn Helps control fuel tank pressure

Egr Valve Gasket

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

Egr Pipe Gasket

Without diesel, 6.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Oxygen Sensor, Left

All models. 5.3l. All models. 4.8l. All models. 4.3l. 4.8L, front of converter. Front of converter, 5.3l. 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