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Delphi ES10403 Oxygen Sensor - Front or Rear
| Brand | Delphi ES10403 |
|---|---|
| Position | Front |
| Connector Shape | Flat |
| Overall Length | 1140.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front, Rear. For the position specific to your vehicle, refer to the Application tab. |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Audi and Volkswagen · 24 vehicles |
Heated sensor. Delivers faster operation for more responsive emissions monitoring.
Flat connector. Simplifies hookup with a low-profile electrical connection.
OE heritage. Built with 100 years of OE experience and supplier knowledge.
Cross-references Bosch 13740, Bosch 15024 and Bosch 15026 for the same application. See all 30.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES10403 Oxygen Sensor Overview
The Delphi ES10403 is a heated oxygen sensor built for precise exhaust monitoring and OE-style replacement performance. It draws on Delphi’s long OE heritage and supplier experience, with application coverage for select Audi and Volkswagen models from 1996-1998.
- Heated oxygen sensor for faster operating temperature
- 4-wire design for signal and heater circuit control
- Flat connector shape for application-specific fitment
- 18 x 1.5 mm thread size
- Overall length: 1140.0
- Package contents: oxygen sensor and instruction sheet
- Compatible With front and rear positions, depending on vehicle application
Vehicle Fitment
- Fits 1998 Audi A4, front, to chassis # 8D-W-007 799
- Fits 1998 Audi A4 Quattro, front, to chassis # 8D-W-007 799
- Fits 1997 Audi A4, front
- Fits 1997 Audi A4 Quattro, front
- Fits 1996-1998 Volkswagen Cabrio, front
- Fits 1996-1998 Volkswagen Cabrio, rear
- Fits 1996-1998 Volkswagen Golf, front
- Fits 1996-1998 Volkswagen Golf, rear
- Fits 1996-1998 Volkswagen Jetta, front
- Fits 1996-1998 Volkswagen Jetta, rear
- Fits 1996-1997 Volkswagen Passat, rear
What This Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio readings
- Rough idle or hesitation caused by faulty exhaust feedback
- Reduced fuel economy from inaccurate sensor data
- Emission test failures tied to sensor response issues
Installation Notes
Verify the position on your vehicle before ordering, since this part is used in both front and rear locations across the listed applications. Confirm connector style, thread size, and overall length against the original sensor before installation. For the exact position-specific application on your Audi A4, Audi A4 Quattro, Volkswagen Golf, Volkswagen Jetta, Volkswagen Cabrio, or Volkswagen Passat, refer to the vehicle application details.
Quality Assurance
Delphi builds aftermarket parts using OE experience and engineering knowledge developed through work with major automakers. This ES10403 oxygen sensor reflects that OE-based approach for direct replacement use in the listed applications.
This part cross-references Bosch (e.g., 13740, 15024) for the same application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Audi | A4 | Front | To Chassis # 8D-W-007 799 |
| 1998 | Audi | A4 Quattro | Front | To Chassis # 8D-W-007 799 |
| 1998 | Volkswagen | Cabrio | Rear | — |
| 1998 | Volkswagen | Cabrio | Front | — |
| 1998 | Volkswagen | Golf | Rear | — |
| 1998 | Volkswagen | Golf | Front | — |
| 1998 | Volkswagen | Jetta | Rear | — |
| 1998 | Volkswagen | Jetta | Front | — |
| 1997 | Audi | A4 | Front | — |
| 1997 | Audi | A4 Quattro | Front | — |
| 1997 | Volkswagen | Cabrio | Rear | — |
| 1997 | Volkswagen | Cabrio | Front | — |
| 1997 | Volkswagen | Golf | Rear | — |
| 1997 | Volkswagen | Golf | Front | — |
| 1997 | Volkswagen | Jetta | Rear | — |
| 1997 | Volkswagen | Jetta | Front | — |
| 1997 | Volkswagen | Passat | Rear | — |
| 1996 | Volkswagen | Cabrio | Rear | — |
| 1996 | Volkswagen | Cabrio | Front | — |
| 1996 | Volkswagen | Golf | Rear | — |
| 1996 | Volkswagen | Golf | Front | — |
| 1996 | Volkswagen | Jetta | Rear | — |
| 1996 | Volkswagen | Jetta | Front | — |
| 1996 | Volkswagen | Passat | Rear | — |
| No rows match your filter. | ||||