Delphi ES10497 Oxygen Sensor

Delphi Heated Oxygen Sensor for Mercury and Nissan Vehicles

The Delphi ES10497 oxygen sensor is designed to provide accurate emissions monitoring for select Mercury and Nissan models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle’s engine control unit.

• Heated sensor type for faster response times
• 3-wire configuration with a flat connector shape
• Thread size of 12 x 1.25 mm for secure fitment
• Overall length of 810.0 mm for proper installation
• Includes oxygen sensor and instruction sheet
• Positioned for upstream installation

Technical Details and Compatibility

The Delphi ES10497 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The 3-wire setup supports both sensor heating and signal transmission, while the flat connector shape ensures a reliable electrical connection. With a thread size of 12 x 1.25 mm, this sensor fits securely in the upstream position of the exhaust system. Measuring 810.0 mm in overall length, it is engineered to match the OEM specifications for proper fit and function.

This oxygen sensor is compatible with Mercury and Nissan vehicles, specifically models such as the Mercury Villager and Nissan Maxima and Quest. The part number ES10497 corresponds to this exact fitment, making it a suitable replacement for maintaining emissions compliance and engine efficiency.

Common Applications and Problem Resolution

• Helps resolve rough idling and engine hesitation caused by faulty oxygen sensors
• Reduces increased fuel consumption due to inaccurate air-fuel mixture readings
• Addresses check engine light triggers related to oxygen sensor faults
• Improves emissions control for passing state inspections
• Supports proper catalytic converter function by providing accurate exhaust data

Installation Notes and Tips

When installing the Delphi ES10497 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 12 x 1.25 mm thread size to avoid cross-threading. The flat connector shape should align precisely with the vehicle’s wiring harness for a secure connection. Position the sensor in the upstream location as specified for your Mercury Villager or Nissan Maxima or Quest model. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES10497 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, Delphi products typically come with a limited warranty covering defects in materials and workmanship.