Description: 4.3, 4.8, 5.3 & 8.1L, 4.3, 4.8, 5.3 & 8.1L. All models. 4.3l. 5.3, 6.0l. 5.3l.

Description: 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: 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

Description: Genuine GM M.A.P Sensor, part number 19418808. This GM OEM M.A.P sensor monitors operating conditions and sends signals to the vehicle's control modules. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 19418808 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

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

Description: Genuine GM Heated Oxygen Sensor, part number 19178961. This GM OEM heated oxygen sensor measures oxygen in the exhaust so the engine computer can fine-tune the air-fuel mixture and monitor catalytic converter efficiency. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 19178961 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.