Upgrade your Scion tC's (2005-2008, 2.4L) oxygen sensor system with our high-quality, durable set of 2 sensors. This pair includes both the upstream (Air Fuel Ratio Sensor) and downstream sensors, ensuring optimal performance and accurate readings. Crafted with stainless steel and ceramics, these sensors are built to last, withstanding the test of time and harsh driving conditions. They operate within a 0 - 25% O2 range and are designed to output an electrical signal, seamlessly integrating with your vehicle's systems. Our firm packaging, complete with an air bubble bag, ensures safe delivery, while our one-year quality guarantee gives you peace of mind. Before purchasing, please verify compatibility using the 'Select Your Vehicle' tool at the top of the product page.