Denso 234-4864 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4864

The Denso OE Style Oxygen Sensor 234-4864 is designed specifically for select Volvo models, including the S60, S80, V70, XC70, and XC90. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster warm-up and improved efficiency
• Specific fit for Volvo S60, S80, V70, XC70, and XC90 models
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with male connector for reliable electrical connection
• Wiring harness length of 40.35 inches for proper installation

Details on the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. The 234-4864 oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, ensuring compatibility and consistent performance. This line is intended for technicians and vehicle owners seeking a direct replacement part that maintains the integrity of the vehicle’s emission control system.

Technical Description and Attributes

This oxygen sensor features a heated sensor element, which allows it to reach operating temperature quickly, reducing emissions during cold starts. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, ensuring a secure fit in the exhaust system. It includes a four-wire configuration with a male connector, facilitating straightforward electrical connections. The wiring harness length of 40.35 inches provides adequate reach for installation in the specified Volvo models.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve check engine light issues related to oxygen sensor faults
• Reduces emissions by ensuring proper sensor operation
• Addresses rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Denso 234-4864 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector gender matches the vehicle harness for a secure connection. The wiring harness length of 40.35 inches should accommodate the factory routing without modification. Follow vehicle-specific service manual instructions for torque specifications and sensor location.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Using a sensor designed for your Volvo S60, S80, V70, XC70, or XC90 helps maintain compliance with emissions regulations and supports long-term engine health.