Denso 234-4289 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4289

The Denso OE Style Oxygen Sensor 234-4289 is designed specifically for Pontiac Sky and Saturn Solstice models. This heated oxygen sensor features a threaded mounting type and a 16.73-inch wiring harness, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Pontiac Sky and Saturn Solstice vehicles
• Threaded mounting with 0.708-inch thread diameter
• 16.73-inch wiring harness length with 4 wires
• Female connector for secure electrical connection

Detailed Features and Specifications

This oxygen sensor from Denso's OE Style line is engineered to meet original equipment specifications. The heated sensor type allows for quicker activation and improved fuel efficiency by providing accurate oxygen level readings to the engine control unit. The 16.73-inch wiring harness length and female connector ensure compatibility with the factory wiring harness, while the 0.708-inch threaded mounting provides a secure and leak-free installation. With four wires, this sensor supports both signal and heater circuits, essential for proper sensor operation.

About the Denso OE Style Product Line

The OE Style product line by Denso focuses on delivering parts that match original equipment quality and fitment. This line is designed to provide direct replacements for factory components, ensuring compatibility and performance without modification. The 234-4289 oxygen sensor exemplifies this approach by offering a specific fit for select Pontiac and Saturn models, maintaining the integrity of the vehicle's emission control system.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Pontiac Sky and Saturn Solstice
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the ECU
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel economy by ensuring proper combustion control

Installation Notes and Tips

When installing the Denso 234-4289 oxygen sensor, 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 wiring harness length and connector gender match the factory setup for a seamless connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4289 sensor is backed by Denso's commitment to reliability. Please refer to the product packaging or manufacturer documentation for specific warranty details.