Upgrade your vehicle's emission control system with our premium 2-pack Oxygen Sensor, designed to fit a wide range of Chevrolet and Buick models. Crafted with durable Stainless Steel and Aluminum Oxide, these sensors ensure accurate readings and long-lasting performance. The Push Pull output type and Flange Mount design make for easy installation. Backed by a 1-year unlimited mileage warranty, you can drive with confidence knowing your vehicle's engine is in capable hands.