Upgrade your Volvo's performance with the Denso O2 Oxygen Sensor, designed for a direct replacement to ensure a perfect fit and optimal function. Engineered for precision, this oxygen sensor is the epitome of quality and reliability, featuring a 4-wire type configuration to deliver accurate readings to your vehicle's onboard computer. Suitable for a variety of Volvo models including the V70, S40, S60, XC90, and V50, this sensor is an essential component for maintaining your vehicle's emission system. With a 1-year warranty, the 234-4450 part number ensures you a worry-free replacement, keeping your driving smooth and your vehicle running efficiently.