The Denso Oxygen Sensor 234-4686 is a high-quality replacement part designed for Kia Sephia and Spectra models from 1998 to 2002. Manufactured by Denso, a trusted brand in the automotive industry, this oxygen sensor comes with a manufacturer warranty and is a direct fit application. It is important to note that this product may contain chemicals known to the State of California to cause cancer and birth defects. The package includes one Denso Oxygen Sensor and is sure to provide reliable performance for your vehicle.