This oxygen sensor is specifically designed for use in a 2000 Mazda MPV with a 2.5L-V6 engine. It is a high-quality product from DENSO, a trusted brand in the automotive industry. The sensor type is an oxygen sensor, which is essential for measuring the amount of oxygen in the exhaust gas. This information is used to help adjust the fuel and air mixture, ensuring that your vehicle runs efficiently. This oxygen sensor comes with a 1-year warranty, providing peace of mind with your purchase. The manufacturer part number is 234-4141, and the SKU is NP:234-4141. This sensor is a great replacement part for anyone looking to ensure that their vehicle runs smoothly.