Delphi ES10007 Oxygen Sensor - Rear

Delphi ES10007 Heated Oxygen Sensor Overview

The Delphi ES10007 is a heated oxygen sensor designed for precise emission control in select GM vehicles. Engineered with a flat connector and three wires, this sensor ensures accurate air-fuel mixture readings for optimal engine performance in Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.

• Heated oxygen sensor for faster warm-up and accurate readings
• Three-wire design with a flat connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified GM vehicles
• Overall length of 325.0 mm for proper installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES10007 oxygen sensor features a heated element that reduces the time needed for the sensor to reach operating temperature, improving emission control efficiency. Its three-wire configuration supports both signal and heater circuits, while the flat connector shape ensures a reliable electrical connection. The sensor’s thread size of 18 x 1.5 mm and overall length of 325.0 mm are designed to fit front and rear positions depending on the vehicle’s specific requirements. This sensor is compatible with a range of GM vehicles including Buick Park Avenue and Regal, Chevrolet Astro, C1500, C2500, Tahoe, and Silverado models, GMC Sierra and Yukon, Oldsmobile, and Pontiac models such as the Trans Sport and Safari. For exact position fitment, refer to the vehicle’s service manual or Delphi’s fitment guide.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Addresses issues such as rough idling and poor fuel economy
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and reduces exhaust emissions

Installation Notes and Tips

When installing the Delphi ES10007 oxygen sensor, ensure the engine is cool to avoid burns. Use anti-seize compound on the threads if not pre-applied to facilitate future removal. Confirm the sensor’s position (front or rear) matches the vehicle’s specifications. Disconnect the battery before installation to prevent electrical shorts. After installation, clear any diagnostic trouble codes and verify sensor operation with an OBD-II scanner.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES10007 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. This product includes a manufacturer-backed warranty covering defects in materials and workmanship. For detailed warranty terms, refer to Delphi’s official documentation.