Delphi ES20074 Oxygen Sensor - Front

Delphi ES20074 Oxygen Sensor Overview

The Delphi ES20074 is a heated oxygen sensor designed specifically for the front position on Mercedes-Benz C230 models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and reduce emissions.

• Heated sensor type for faster response times
• 4-wire configuration ensuring accurate signal transmission
• Round connector shape for secure and reliable connection
• Thread size of 18 x 1.5 mm for precise fitment
• Overall length of 1165.0 mm to accommodate factory routing
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20074 oxygen sensor is engineered to meet the specifications required by Mercedes-Benz C230 vehicles. Its heated design allows the sensor to reach operating temperature quickly, improving fuel efficiency and emissions control. The 4-wire setup supports both the sensor signal and heater circuit, while the round connector shape ensures compatibility with the factory wiring harness. The 18 x 1.5 mm thread size matches the original equipment, providing a secure and leak-free installation. With an overall length of 1165.0 mm, this sensor fits the front position without modification.

Purpose and Common Applications

• Monitors oxygen levels in exhaust gases for optimal air-fuel mixture
• Helps reduce harmful emissions by providing accurate feedback to the engine control unit
• Improves fuel economy by enabling precise fuel delivery adjustments
• Addresses issues such as rough idling, poor acceleration, and increased fuel consumption
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20074 oxygen sensor on a Mercedes-Benz C230, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the thread size and connector shape match the original part before installation. Apply anti-seize compound to the threads if recommended, avoiding the sensor tip. Connect the wiring harness securely to prevent signal interruptions. Follow the included instruction sheet for detailed guidance.

Quality Assurance and Warranty

Delphi manufactures the ES20074 oxygen sensor to meet or exceed OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.