Delphi ES10449 Oxygen Sensor - Front

Delphi ES10449 Heated Oxygen Sensor Overview

The Delphi ES10449 oxygen sensor is designed for precise emission control in select Mercedes-Benz models. This heated sensor features a 4-wire design and a round connector, ensuring reliable performance and compatibility with various front-position applications.

• Heated oxygen sensor for accurate emissions monitoring
• 4-wire configuration for enhanced signal stability
• Round connector shape for secure electrical connection
• Thread size of 18 x 1.5 mm for proper fitment
• Overall length of 350.0 mm suitable for front sensor placement
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES10449 oxygen sensor is engineered to meet the specific requirements of Mercedes-Benz vehicles including models such as the 300E, 300SE, 400E, 400SE, 400SEL, 500E, 500SEC, 500SEL, 500SL, 600SEC, 600SEL, 600SL, C36 AMG, C280, E420, E500, S320, S420, S500, S600, SL320, SL500, and SL600. Its heated sensor type allows for quicker activation and more accurate readings under various operating conditions. The 4-wire design supports both the sensor heater circuit and signal output, improving responsiveness and durability. The round connector and 18 x 1.5 mm thread size ensure proper installation and secure fitment in the front position of the exhaust system.

Common Applications and Problem Resolution

• Helps maintain optimal air-fuel mixture for efficient engine performance
• Reduces harmful emissions by providing accurate oxygen level data
• Addresses issues such as rough idling and poor fuel economy
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper catalytic converter function by monitoring exhaust gases

Installation Notes and Tips

When installing the Delphi ES10449 oxygen sensor, ensure the engine is cool to avoid injury. Use the included instruction sheet for guidance on connector alignment and torque specifications. Verify the sensor’s thread size of 18 x 1.5 mm matches the vehicle’s exhaust port. Properly connect the 4-wire harness to maintain heater and signal functionality. It is recommended to inspect the wiring and connector for damage before installation to ensure reliable operation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES10449 part number undergoes rigorous testing to ensure accurate emissions readings and long service life. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product reliability.