HomeEmission Control > SensorsDelphi ES10406 Oxygen Sensor - Front or Rear
Part #: ES10406

Delphi ES10406 Oxygen Sensor - Front or Rear

Front
25 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Saab, Porsche, and Volvo, 9-3, 9-5, 911, 900, C70, S70, V70, and 850
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Delphi ES10406 Heated Oxygen Sensor Overview

The Delphi ES10406 oxygen sensor is designed to provide accurate emissions data for select Porsche, Saab, and Volvo vehicles. This heated sensor ensures quicker activation and reliable performance in both front and rear positions, helping maintain optimal engine efficiency and emissions control.

  • Heated oxygen sensor for faster response times
  • 4-wire design for precise signal transmission
  • Thread size: 18 x 1.5 mm for secure fitment
  • Overall length of 740 mm for proper installation
  • Includes oxygen sensor and instruction sheet
  • Compatible with Porsche 911, Saab 9-3 and 9-5, Volvo 850, 900, C70, S70, and V70 models

Technical Details and Compatibility

The Delphi ES10406 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel mixture readings and reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The 18 x 1.5 mm thread size matches OEM specifications for a secure and leak-free installation. With an overall length of 740 mm, this sensor fits the designated front or rear positions depending on your vehicle's requirements. Always refer to your vehicle’s service manual to confirm the correct sensor location.

Applications and Problem Resolution

This oxygen sensor is compatible with a range of Porsche, Saab, and Volvo models, including the Porsche 911, Saab 9-3 and 9-5, and Volvo 850, 900, C70, S70, and V70. It is designed to address common issues such as:

  • Erratic or poor fuel economy due to inaccurate oxygen readings
  • Check engine light triggered by faulty sensor signals
  • Increased emissions from improper air-fuel mixture
  • Engine performance problems related to sensor failure
  • Failed emissions tests caused by sensor malfunction

Installation Notes and Tips

When installing the Delphi ES10406 oxygen sensor, ensure the engine is cool to avoid burns. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the sensor’s position (front or rear) according to your vehicle’s specifications. Proper torque should be applied to avoid damage to the sensor or exhaust components. Electrical connections must be secure and free of corrosion for optimal sensor operation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and accuracy. The ES10406 part number undergoes rigorous testing to ensure reliable emissions control and long service life. This product typically includes a limited warranty covering defects in materials and workmanship. Refer to Delphi’s warranty documentation for specific terms and conditions.

BrandDelphi
Part NumberES10406
Overall Length740.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front, Rear. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 25 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1999Saab9-3Rear
1999Saab9-3FrontFrom Chassis # X2020001; From Chassis # X7020001
1999Saab9-5Rear
1998Porsche911TargaRear
1998Porsche911Carrera 4SRear
1998Porsche911Carrera 4Rear
1998Saab900Rear
1998VolvoC70Front
1998VolvoS70Front
1998VolvoV70Front
1997Porsche911TurboFront
1997Porsche911TargaRear
1997Porsche911Carrera 4SRear
1997Porsche911Carrera 4Rear
1997Saab900Rear
1997Volvo850Front
1996Porsche911TurboFront
1996Porsche911TargaRear
1996Porsche911Carrera 4SRear
1996Porsche911Carrera 4Rear
1996Saab900Rear
1996Volvo850Front
1995Porsche911Carrera 4Rear
1995Volvo850Front
1994Volvo850Front

* 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:

12719391271939-013564135771366113723138-364138-368138-614138171509715250156-4014156-4035156-4038156-4103213141421314162131442234-4182234-4184234-4698250241352558132022083426235946 60 50246 62 3596842522912558912558-092027199202719-0993 606 118 00993 606 118 01993 606 128 00993 606 128 01996 606 118 00OS1825OS809OS813OS816REA1372REA1376REA1379REA1637SG1071SG185SG190SG194SG250SG509SU6040SU6046SU6737SU6738

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