Delphi ES20163 Oxygen Sensor - Rear

Delphi ES20163 Heated Oxygen Sensor Overview

The Delphi ES20163 is a heated oxygen sensor designed for precise emission control in select Saab and Volvo vehicles. Engineered with a flat connector and four wires, this rear-position sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated oxygen sensor for faster response times
• Four-wire design with flat connector shape
• Thread size: 18 x 1.5 mm for secure fitment
• Overall length of 1640 mm for proper installation
• Includes oxygen sensor and instruction sheet
• Rear position sensor for accurate exhaust monitoring

Technical Details and Compatibility

The Delphi ES20163 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response and fuel management. Its four-wire configuration supports both the sensor signal and heater circuit, while the flat connector shape ensures a reliable electrical connection. The sensor’s thread size of 18 x 1.5 mm matches OEM specifications for a secure fit in the exhaust system. With an overall length of 1640 mm, it is designed to fit properly in the rear exhaust position.

This sensor is compatible with various Saab and Volvo models, including Saab 9-5 and Volvo S60, S80, V70, XC70, and XC90. The Delphi ES20163 part number corresponds specifically to these applications, ensuring proper fit and function.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Supports proper operation of catalytic converters
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20163 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the flat connector aligns properly with the vehicle’s wiring harness. Follow the included instruction sheet for torque specifications and wiring connections. It is recommended to inspect the exhaust port for debris before installation to ensure a clean fit.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20163 undergoes rigorous testing to ensure reliable operation under various driving conditions. This part typically comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term functionality.