Delphi ES10940 Oxygen Sensor - Front

Brand Delphi ES10940
Position Front
Connector Shape Square
Overall Length 610.0
Package Contents Oxygen Sensor, Instruction Sheet
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Acura and Honda · 12 vehicles

OE heritage. Built with a century of original-equipment experience.

Square connector. Simplifies a clean, secure electrical connection.

4-wire design. Provides the sensor configuration used for precise emissions monitoring.

Cross-references Bosch 15400, Bosch 15482 and DENSO Auto Parts 234-9040 for the same application. See all 16.

$152.21Free shipping
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Delphi ES10940 Oxygen Sensor for Honda and Acura

Delphi ES10940 is a front oxygen sensor built for direct-fit replacement on select Honda Accord and Acura TSX applications. It uses a 4-wire design, square connector shape, and 18 x 1.5 mm thread size to match the original sensor interface on covered vehicles.

Key Features

  • Front oxygen sensor for emission control service
  • 4-wire configuration for the listed applications
  • Square connector shape for OE-style connection fit
  • 18 x 1.5 mm thread size
  • 610.0 overall length
  • Package includes the oxygen sensor and instruction sheet
  • Built with Delphi OE heritage and supplier experience

Detailed Description

Delphi ES10940 is engineered for front sensor replacement on 2004-2008 Acura TSX and 2003-2007 Honda Accord models listed with an air-fuel ratio sensor at the front position. Delphi draws on 100 years of OE experience and supplier knowledge used by major automakers, bringing original-equipment design insight to this aftermarket oxygen sensor. This part cross-references Bosch 15400 for the same application.

For buyers searching for a front oxygen sensor for 2003-2007 Honda Accord or a front oxygen sensor for 2004-2008 Acura TSX, ES10940 provides the correct connector style, thread specification, and sensor layout for the listed fitments. The Delphi ES10940 part number is also useful when comparing replacement options against OE and aftermarket references.

What It Helps Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel ratio readings at the front sensor location
  • Emissions test failures tied to sensor response issues
  • Rough idle or drivability concerns caused by faulty sensor input
  • Fuel economy loss from inaccurate exhaust feedback

Installation Notes

Verify the front sensor location, connector shape, and thread size before installation. Compare the existing harness routing and overall length to the original part to confirm proper fit on the vehicle. Use the included instruction sheet during installation and follow the vehicle service procedure for sensor removal and torque specifications.

Quality Assurance

Delphi builds this oxygen sensor using OE heritage and application knowledge developed through long-term supplier experience with major automakers. The ES10940 is intended as a direct replacement for the listed Honda Accord and Acura TSX front applications, with specifications aligned to the original sensor interface.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2008AcuraTSX—FrontAir-Fuel Ratio Sensor
2007AcuraTSX—FrontAir-Fuel Ratio Sensor
2007HondaAccord—FrontAir-Fuel Ratio Sensor
2006AcuraTSX—FrontAir-Fuel Ratio Sensor
2006HondaAccord—FrontAir-Fuel Ratio Sensor
2005AcuraTSX—FrontAir-Fuel Ratio Sensor
2005HondaAccordLXFrontAir-Fuel Ratio Sensor
2005HondaAccordEXFrontAir-Fuel Ratio Sensor
2005HondaAccordDXFrontAir-Fuel Ratio Sensor
2004AcuraTSX—FrontAir-Fuel Ratio Sensor
2004HondaAccord—FrontAir-Fuel Ratio Sensor
2003HondaAccord—FrontAir-Fuel Ratio Sensor
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15400Bosch — 15482DENSO Auto Parts — 234-9040DENSO Auto Parts — 234-9066Four Seasons — 24668Gates — 24803Walker Products — 250-5402236531-RAA-A0136531-RAA-A0236531-RBB-003OS1677REA1573SG923SG1370SU6671SU6973