HomeEmission Control > SensorsDelphi ES10914 Oxygen Sensor - Rear
Part #: ES10914

Delphi ES10914 Oxygen Sensor - Rear

Rear
23 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 325Ci, 330Ci, X3, 325i, 330i, 525i, and 530i
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Delphi ES10914 Heated Oxygen Sensor Overview

The Delphi ES10914 is a heated oxygen sensor designed for precise emission control in select BMW models. Engineered with a 4-wire configuration and a round connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

  • Heated sensor type for faster response times
  • 4-wire design for reliable signal transmission
  • Round connector shape for secure fitment
  • Thread size of 18 x 1.5 mm compatible with BMW exhaust systems
  • Overall length of 1000 mm for proper installation
  • Includes oxygen sensor and instruction sheet
  • Positioned for rear exhaust monitoring

Technical Details and Compatibility

The Delphi ES10914 oxygen sensor is specifically designed to fit a range of BMW vehicles including the 325Ci, 325i, 330Ci, 330i, 525i, 530i, and X3 models. Its heated sensor type allows the unit to reach operating temperature quickly, improving emission control efficiency. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the rear exhaust position, maintaining proper sensor alignment and function.

Applications and Problem Resolution

  • Helps maintain optimal 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 caused by faulty oxygen sensors
  • Prevents check engine light triggers related to emission control faults
  • Improves fuel economy by ensuring proper sensor feedback

Installation Notes and Tips

When installing the Delphi ES10914 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 18 x 1.5 mm thread size socket for removal and installation. Verify the round connector is securely attached to prevent signal interruptions. Follow the included instruction sheet for wiring and positioning details. It is recommended to inspect the exhaust system for leaks before installation to ensure accurate sensor readings.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES10914 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.

BrandDelphi
Part NumberES10914
Connector ShapeRound
Overall Length1000.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 23 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2006BMW325CiRearLocated on Manifold
2006BMW330CiRearLocated on Manifold
2006BMWX3AutomaticRearLocated on Manifold
2005BMW325CiRearLocated on Manifold
2005BMW325iRearLocated on Manifold
2005BMW330CiRearLocated on Manifold
2005BMW330iRearLocated on Manifold
2005BMW525iRearLocated on Manifold
2005BMW530iRearLocated on Manifold
2005BMWX3AutomaticRearLocated on Manifold
2004BMW325CiRearLocated on Manifold
2004BMW325iRearLocated on Manifold
2004BMW330CiRearLocated on Manifold
2004BMW330iRearLocated on Manifold
2004BMW525iRearLocated on Manifold
2004BMW530iRearLocated on Manifold
2004BMWX3AutomaticRearLocated on Manifold
2003BMW325CiRearLocated on Manifold
2003BMW325CiRearLocated on Manifold; From 03/2003
2003BMW325iRearLocated on Manifold
2003BMW325iRearLocated on Manifold; From 03/2003
2003BMW330CiRearLocated on Manifold; From 03/2003
2003BMW330iRearLocated on Manifold

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11 78 7 514 92611 78 7 514 9271568015681234-44732502467725658SU7105SU7115

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.