HomeEmission Control > SensorsDelphi ES10289 Oxygen Sensor - Front or Rear
Part #: ES10289

Delphi ES10289 Oxygen Sensor - Front or Rear

Front
36 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Audi, Volkswagen, Saab, and Volvo, Cabriolet, A6, A6 Quattro, 90, 90 Quattro, 100, 100 Quattro, Vanagon, 9000, 900, 244, 245, 740, and 745
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Delphi ES10289 Heated Oxygen Sensor Overview

The Delphi ES10289 is a heated oxygen sensor designed for precise emission control in select Audi, Saab, Volkswagen, and Volvo vehicles. This sensor helps maintain optimal engine performance and reduces harmful emissions by accurately monitoring oxygen levels in the exhaust system.

  • Heated sensor type for faster warm-up and improved accuracy
  • 3-wire configuration with square and round connector shapes
  • Thread size of 18 x 1.5 mm for secure fitment
  • Overall length of 710.0 mm to accommodate various installation positions
  • Includes oxygen sensor and instruction sheet for installation guidance
  • Compatible with front, rear, and upstream positions depending on vehicle specifications

Technical Details and Compatibility

The Delphi ES10289 oxygen sensor features a heated design that allows it to reach operating temperature quickly, ensuring accurate oxygen level readings shortly after engine start. Its 3-wire setup supports reliable electrical connections, while the combination of square and round connector shapes ensures compatibility with factory wiring harnesses. The sensor’s thread size of 18 x 1.5 mm matches OEM specifications for a secure and leak-free installation. With an overall length of 710 mm, this sensor fits various mounting locations including front, rear, and upstream positions, depending on the specific vehicle model.

This oxygen sensor is compatible with a range of vehicles including Audi 90, 90 Quattro, 100, 100 Quattro, Saab 900, 9000, Volvo 740, 745, Volkswagen Cabriolet, Vanagon, and Audi A6 and A6 Quattro models. The Delphi ES10289 part number ensures you receive the correct sensor designed for these applications.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces engine misfires caused by incorrect oxygen readings
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by optimizing engine performance
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

  • Verify sensor position (front, rear, upstream) specific to your vehicle before installation
  • Use proper tools to avoid damaging the 18 x 1.5 mm threaded sensor
  • Ensure electrical connectors match the square and round shapes for secure connection
  • Follow the included instruction sheet for torque specifications and installation procedures
  • Allow the engine to cool before removing the old sensor to prevent injury

Quality Assurance and Warranty

Delphi manufactures the ES10289 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 to provide confidence in your purchase.

BrandDelphi
Part NumberES10289
Connector ShapeSquare and Round
Overall Length710.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front, Rear, Upstream. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity3

This part fits 36 vehicles. Search below:

YearMakeModelPositionNotes
1998AudiCabrioletFrontOverall Length of 710mm
1997AudiA6RearOverall Length of 710mm
1997AudiA6FrontOverall Length of 710mm
1997AudiA6 QuattroFrontOverall Length of 710mm
1997AudiCabrioletFrontOverall Length of 710mm
1996AudiA6RearOverall Length of 710mm
1996AudiA6FrontOverall Length of 710mm
1996AudiA6 QuattroFrontOverall Length of 710mm
1996AudiCabrioletFrontOverall Length of 710mm
1995Audi90N/AOverall Length of 710mm
1995Audi90 QuattroN/Awith 710mm Overall Length; From Chassis # 8C-P-190 001
1995AudiA6N/AOverall Length of 710mm
1995AudiA6 QuattroN/AOverall Length of 710mm
1995AudiCabrioletFrontOverall Length of 710mm
1994Audi100N/A710mm Overall Length; Fits vehicles with chassis numbers from 4A-R-062 001 to 4A-R-062 000.
1994Audi100 QuattroN/A710mm Overall Length; Fits vehicles with chassis numbers from 4A-R-062 001 to 4A-R-062 000.
1994Audi90N/AOverall Length of 710mm
1994Audi90 QuattroN/AOverall Length of 710mm
1994AudiCabrioletFrontOverall Length of 710mm
1993Audi100N/AOverall Length of 710mm
1993Audi100 QuattroN/Awith 710mm Overall Length; From Chassis # 4A-P-022 307
1993Audi90N/AOverall Length of 710mm
1993Audi90 QuattroN/AOverall Length of 710mm
1991VolkswagenVanagonN/AOverall Length of 710mm
1990VolkswagenVanagonN/AOverall Length of 710mm
1989Saab9000N/AOverall Length of 710mm
1989VolkswagenVanagonN/AOverall Length of 710mm
1988Saab900N/AOverall Length of 710mm
1988Saab9000N/AOverall Length of 710mm
1988VolkswagenVanagonN/AOverall Length of 710mm
1988Volvo740N/AOverall Length of 710mm
1987Saab9000N/AOverall Length of 710mm
1987VolkswagenVanagonN/AOverall Length of 710mm
1986VolkswagenVanagonN/AOverall Length of 710mm
1985Volvo740N/AOverall Length of 710mm
1985Volvo745N/AOverall Length of 710mm

* 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:

025 906 265 B0259062658048 906 265 B078 906 265078 906 265 A078 906 265 B078 906 265 C133961341413469621346962-0138-158138-160138-192138-334139572131226213500213567234-3028234-3101234-4660250-23028250-23124250-2440525034250632557525576256425S41325S419469110975 23 60375 25 6037555129076400820OS512OS517OS611OS941REA1306REA1325REA1410SG42SG45SG498SG66SU458SU6176

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