The product is a 0258017025 LSU 4.9 Lambda Wide Band O2 Oxygen Sensor designed for AEM 30-4110 UEGO. It features a heated sensor type, threaded mounting, and is compatible with gasoline, diesel, and E85 fuels. The sensor has 1 sensor, 5 wires with a length of 97.5cm, and a 22mm wrench size. It comes with a 1-year manufacturer warranty and is a direct replacement part with a LSU-4.9 formula.