Upgrade your Mitsubishi Montero Sport's performance with the Denso O2 Oxygen Sensor, designed for precision and reliability. Model number 234-4742, this upstream sensor is a top-quality replacement part that ensures your vehicle's engine runs efficiently. Suited for models from 1999 to 2004, it promises a hassle-free installation experience. With a 1-year warranty, this oxygen sensor is a risk-free choice for maintaining your car's health. DENSO, a trusted name in automotive parts, stands behind its durability and functionality, making it an essential addition to your vehicle's emission system. Keep your Mitsubishi running smoothly with this dependable component.