Shop Oxygen Sensor. Find O2 sensor socket & Oxygen sensor socket. Discover Lambda sensor socket. Use O2 sensor cleaner. Locate Lambda sensor location. To ensure your vehicle's efficiency, regular maintenance of O2 sensors is crucial, as they are pivotal in optimizing fuel combustion and reducing emissions. Signs that your oxygen sensor may need replacement include a decline in fuel economy, rough engine idle, or a check engine light. When selecting a new sensor, consider the compatibility with your vehicle model—universal or direct-fit—and the durability of materials like zirconia or titanium. High-quality sensors with unique features like heated elements can improve responsiveness and longevity. Installation is straightforward with the right tools, but always consult your vehicle's manual for specific guidelines to avoid costly errors. Shop our selection today to enhance your car's performance and maintain emission standards.