Upgrade your vehicle's emission control system with our premium 2-pack Higherbro Oxygen Sensors, designed to fit a wide range of Buick Encore, Chevrolet Sonic, Cruze, and Trax models. These high-quality sensors, manufactured by Higher-autoparts, are crafted from durable materials like stainless steel, copper, and aluminum, ensuring longevity and reliability. Each sensor is a modern, flange-mounted design, offering a push-pull output type and a measuring range of 0-25% O2. They are specifically engineered for automotive use, providing accurate readings to optimize your engine's performance. Enjoy peace of mind with our one-year quality guarantee.