Description: STS, STS-v. CTS, CTS-v. Sedan,. 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: Genuine GM Fuel Tank Pressure Sensor, part number 13502903. This GM OEM fuel tank pressure 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 13502903 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Heated Oxygen Sensor, part number 12616202. 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 12616202 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.