Denso 234-4816 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4816

The Denso OE Style Oxygen Sensor 234-4816 is designed specifically for select Buick, Cadillac, Chevrolet, GMC, and Saturn models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Buick Acadia, Cadillac CTS, Enclave, Outlook, SRX, Traverse, and XLR
• Threaded mounting type with 0.708 inch thread diameter
• Four-wire design with female connector for secure connection
• Wiring harness length of 20.59 inches for proper installation

Detailed Features and Specifications

The Denso OE Style line focuses on providing oxygen sensors that meet original equipment specifications, ensuring reliable performance and compatibility. The 234-4816 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire configuration supports both the sensor signal and heater circuit, while the female connector ensures a secure and proper fit. The threaded mounting type with a 0.708 inch diameter allows for straightforward installation in the exhaust system of compatible vehicles.

Compatible Vehicles and Applications

This oxygen sensor is specifically designed for use in the following makes and models:

• Buick Acadia
• Cadillac CTS, SRX, XLR
• Chevrolet Traverse
• GMC Enclave, Outlook
• Saturn models

Using the correct oxygen sensor like the Denso 234-4816 helps maintain proper air-fuel mixture and supports emission control systems in these vehicles.

Common Issues Addressed by the Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Damage to catalytic converter from improper exhaust gas monitoring

Installation Notes and Tips

When installing the Denso OE Style oxygen sensor 234-4816, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708 inch threaded sensor to prevent damage. Verify the four-wire harness and female connector align properly with the vehicle’s wiring. It is recommended to replace the sensor with OEM-equivalent parts to maintain system integrity and avoid diagnostic errors.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps ensure compliance with emissions regulations and supports long-term vehicle reliability.