Description: Egr valve, vapor canister and sensors. 3.4L, egr valve. 6 cylinder. 3.1L, upper. Egr valve & sensors, 3.1L. 3.4L, upper. 3.4L, 2000-01. 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: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors

Description: All models. 3.4L. 3.1L. 2.2L. 2.4L. Controls fresh air flow to the canister Sends fuel vapors to the engine for re-burn Helps control fuel tank pressure