Denso 234-4247 Oxygen Sensor - Upstream

Overview of Denso OE Style Oxygen Sensor 234-4247

The Denso OE Style Oxygen Sensor 234-4247 is designed specifically for Saturn Astra models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a female connector, tailored for a direct fit replacement.

• Heated oxygen sensor for accurate exhaust gas monitoring
• Specific fit for Saturn Astra vehicles
• Threaded mounting with 0.708 inch thread diameter
• 18.54-inch wiring harness length with 4 wires
• Female connector for secure electrical connection

Detailed Product Description

The Denso 234-4247 oxygen sensor is part of the OE Style product line, which focuses on delivering original equipment quality and fitment. This sensor is engineered to match the exact specifications of the factory-installed part, providing reliable performance and compatibility. The heated sensor type allows for quicker activation and improved fuel efficiency by accurately measuring oxygen levels in the exhaust gases. With a wiring harness length of 18.54 inches and four wires, it supports the necessary electrical connections for proper sensor operation. The female connector and threaded mounting type with a 0.708-inch diameter ensure a secure and straightforward installation on Saturn Astra models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by optimizing engine performance
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4247 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 proper electrical connection. Follow torque specifications recommended by the vehicle manufacturer to secure the sensor without over-tightening. This sensor is designed for a specific fit on Saturn Astra models, so confirm compatibility before installation.

Quality Assurance and Warranty

Denso’s OE Style line maintains strict quality control standards to meet original equipment specifications. The 234-4247 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance under various driving conditions. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.