Description: All models. 5.0l, 5.7l, 7.4l. Without diesel.

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: All models. 7.4l. On manifold. Express, savana. All models. 5.0l, 5.7l. 4l80e, manual trans. Without diesel. Over 8500 gvw. Front. 4.3l, 5.7l. With 7.4L, gas. Over GVW 8,500 Lbs. 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: Genuine GM Heated Oxygen Sensor, part number 19178918. 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 19178918 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.