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Delphi ES20374 Oxygen Sensor
Delphi ES20374 Heated Oxygen Sensor Overview
The Delphi ES20374 is a heated oxygen sensor designed for precise emission control in select Audi, Porsche, and Volkswagen vehicles. Engineered with a 4-wire configuration and a flat connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.
- Heated oxygen sensor with 4 wires for fast response
- Flat connector shape for secure and easy installation
- Thread size of 18 x 1.5 mm compatible with specified vehicles
- Overall length of 830 mm for proper fitment
- Includes oxygen sensor and instruction sheet
- Compatible with multiple positions: center, center left, front, rear, rear left, rear right
Technical Details and Compatibility
The Delphi ES20374 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable performance. Its flat connector shape simplifies wiring connections, while the 18 x 1.5 mm thread size matches factory specifications for a secure fit. With an overall length of 830 mm, this sensor fits various mounting locations including center, front, and rear positions on compatible vehicles.
This oxygen sensor is compatible with a range of Audi models such as the A3, A3 Quattro, A4, A4 Quattro, A6 Quattro, RS4, TT, TT Quattro, and TTS Quattro. It also fits Porsche models including the Cayenne, and Volkswagen vehicles like the Beetle, CC, Eos, Golf, Golf R, GTI, Jetta, Passat, Q7, Touareg, and R8.
Common Applications and Problem Resolution
- Helps maintain proper air-fuel ratio for efficient combustion
- Reduces engine misfires caused by faulty oxygen sensor readings
- Improves fuel economy by providing accurate feedback to the engine control unit
- Assists in lowering harmful emissions to meet regulatory standards
- Prevents check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Delphi ES20374 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the sensor’s connector matches the vehicle’s wiring harness for a secure connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow the included instruction sheet for detailed installation guidance and torque specifications.
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20374 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. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Delphi |
|---|---|
| Part Number | ES20374 |
| Connector Shape | Flat |
| Overall Length | 830.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Center, Center Left, Front, Rear, Rear Left, Rear Right. 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 |
This part fits 203 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Volkswagen | Passat | Rear | 29in Length |
| 2017 | Volkswagen | CC | Rear | 29in Length |
| 2017 | Volkswagen | CC | Front | 29in Length |
| 2017 | Volkswagen | Passat | Rear | 29in Length |
| 2017 | Volkswagen | Touareg | Rear | 29in Length |
| 2016 | Volkswagen | CC | Rear Left | 29in Length |
| 2016 | Volkswagen | CC | Rear | 29in Length |
| 2016 | Volkswagen | CC | Front | 29in Length |
| 2016 | Volkswagen | Eos | Front | 29in Length |
| 2016 | Volkswagen | Eos | Center | 29in Length |
| 2016 | Volkswagen | Passat | Rear | 29in Length |
| 2016 | Volkswagen | Touareg | Rear | 29in Length |
| 2015 | Audi | R8 | Rear | 29in Length |
| 2015 | Audi | TT Quattro | Rear | 29in Length |
| 2015 | Audi | TT Quattro | Front | 29in Length |
| 2015 | Audi | TTS Quattro | Rear | 29in Length |
| 2015 | Audi | TTS Quattro | Front | 29in Length |
| 2015 | Volkswagen | CC | Rear Left | 29in Length |
| 2015 | Volkswagen | CC | Rear | 29in Length |
| 2015 | Volkswagen | CC | Front | 29in Length |
| 2015 | Volkswagen | Eos | Front | 29in Length |
| 2015 | Volkswagen | Eos | Center | 29in Length |
| 2015 | Volkswagen | Passat | Rear | 29in Length |
| 2015 | Volkswagen | Touareg | Rear | 29in Length |
| 2015 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2014 | Audi | R8 | Rear | 29in Length |
| 2014 | Audi | TT Quattro | Rear | 29in Length |
| 2014 | Audi | TT Quattro | Front | 29in Length |
| 2014 | Audi | TTS Quattro | Rear | 29in Length |
| 2014 | Audi | TTS Quattro | Front | 29in Length |
| 2014 | Volkswagen | Beetle | Center | 29in Length |
| 2014 | Volkswagen | CC | Rear Left | 29in Length |
| 2014 | Volkswagen | CC | Rear | 29in Length |
| 2014 | Volkswagen | CC | Front | 29in Length |
| 2014 | Volkswagen | Eos | Front | 29in Length |
| 2014 | Volkswagen | Eos | Center | 29in Length |
| 2014 | Volkswagen | Golf | Rear | 29in Length |
| 2014 | Volkswagen | GTI | Front | 29in Length |
| 2014 | Volkswagen | GTI | Rear | 29in Length |
| 2014 | Volkswagen | Jetta | Center | 29in Length |
| 2014 | Volkswagen | Passat | Rear | 29in Length |
| 2014 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2013 | Audi | A3 | Front | 29in Length |
| 2013 | Audi | A3 | Center | 29in Length |
| 2013 | Audi | A3 Quattro | Front | 29in Length |
| 2013 | Audi | TT Quattro | Rear | 29in Length |
| 2013 | Audi | TT Quattro | Front | 29in Length |
| 2013 | Audi | TTS Quattro | Rear | 29in Length |
| 2013 | Audi | TTS Quattro | Front | 29in Length |
| 2013 | Volkswagen | Beetle | Center | 29in Length |
| 2013 | Volkswagen | CC | Rear Left | 29in Length |
| 2013 | Volkswagen | CC | Rear | 29in Length |
| 2013 | Volkswagen | CC | Front | 29in Length |
| 2013 | Volkswagen | Eos | Front | 29in Length |
| 2013 | Volkswagen | Eos | Center | 29in Length |
| 2013 | Volkswagen | Golf | Rear | 29in Length |
| 2013 | Volkswagen | Golf R | Rear | 29in Length |
| 2013 | Volkswagen | Golf R | Front | 29in Length |
| 2013 | Volkswagen | GTI | Front | 29in Length |
| 2013 | Volkswagen | GTI | Rear | 29in Length |
| 2013 | Volkswagen | Jetta | Center | 29in Length |
| 2013 | Volkswagen | Passat | Rear | 29in Length |
| 2013 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2012 | Audi | A3 | Front | 29in Length |
| 2012 | Audi | A3 | Center | 29in Length |
| 2012 | Audi | A3 Quattro | Front | 29in Length |
| 2012 | Audi | R8 | Rear | 29in Length |
| 2012 | Audi | TT Quattro | Rear | 29in Length |
| 2012 | Audi | TT Quattro | Front | 29in Length |
| 2012 | Audi | TTS Quattro | Rear | 29in Length |
| 2012 | Audi | TTS Quattro | Front | 29in Length |
| 2012 | Volkswagen | Beetle | Center | 29in Length |
| 2012 | Volkswagen | CC | Rear Left | 29in Length |
| 2012 | Volkswagen | CC | Rear | 29in Length |
| 2012 | Volkswagen | CC | Front | 29in Length |
| 2012 | Volkswagen | Eos | Front | 29in Length |
| 2012 | Volkswagen | Eos | Center | 29in Length |
| 2012 | Volkswagen | Golf | Rear | 29in Length |
| 2012 | Volkswagen | Golf R | Rear | 29in Length |
| 2012 | Volkswagen | Golf R | Front | 29in Length |
| 2012 | Volkswagen | GTI | Front | 29in Length |
| 2012 | Volkswagen | GTI | Rear | 29in Length |
| 2012 | Volkswagen | Jetta | Center | 29in Length |
| 2012 | Volkswagen | Passat | Rear | 29in Length |
| 2012 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2011 | Audi | A3 | Front | 29in Length |
| 2011 | Audi | A3 | Center | 29in Length |
| 2011 | Audi | A3 Quattro | Front | 29in Length |
| 2011 | Audi | R8 | Rear | 29in Length |
| 2011 | Audi | R8 | Rear | 29in Length; Cylinders 1 through 4; Black; Cylinders 5 through 8; Brown |
| 2011 | Audi | TT Quattro | Rear | 29in Length |
| 2011 | Audi | TT Quattro | Front | 29in Length |
| 2011 | Audi | TTS Quattro | Rear | 29in Length |
| 2011 | Audi | TTS Quattro | Front | 29in Length |
| 2011 | Volkswagen | CC | Rear Left | 29in Length |
| 2011 | Volkswagen | CC | Rear | 29in Length |
| 2011 | Volkswagen | CC | Front | 29in Length |
| 2011 | Volkswagen | Eos | Front | 29in Length |
| 2011 | Volkswagen | Eos | Center | 29in Length |
| 2011 | Volkswagen | GTI | Front | 29in Length |
| 2011 | Volkswagen | GTI | Rear | 29in Length |
| 2011 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2010 | Audi | A3 | Front | 29in Length |
| 2010 | Audi | A3 | Center | 29in Length |
| 2010 | Audi | A3 Quattro | Front | 29in Length |
| 2010 | Audi | Q7 | Rear Right | 29in Length |
| 2010 | Audi | Q7 | Rear Left | 29in Length |
| 2010 | Audi | R8 | Rear | 29in Length; Cylinders 1 through 10 |
| 2010 | Audi | R8 | Rear | 29in Length; Cylinders 1 through 4; Black; Cylinders 5 through 8; Brown |
| 2010 | Audi | TT Quattro | Rear | 29in Length |
| 2010 | Audi | TT Quattro | Front | 29in Length |
| 2010 | Audi | TTS Quattro | Rear | 29in Length |
| 2010 | Audi | TTS Quattro | Front | 29in Length |
| 2010 | Porsche | Cayenne | Rear | 29in Length; For Cylinders 4 to 6 Only |
| 2010 | Volkswagen | CC | Rear Left | 29in Length |
| 2010 | Volkswagen | CC | Rear | 29in Length |
| 2010 | Volkswagen | CC | Front | 29in Length |
| 2010 | Volkswagen | Eos | Front | 29in Length |
| 2010 | Volkswagen | Eos | Center | 29in Length |
| 2010 | Volkswagen | GTI | Front | 29in Length |
| 2010 | Volkswagen | GTI | Rear | 29in Length |
| 2010 | Volkswagen | Jetta | Front | 29in Length |
| 2010 | Volkswagen | Jetta | Center | 29in Length |
| 2010 | Volkswagen | Passat | Front | 29in Length |
| 2010 | Volkswagen | Passat | Center | 29in Length |
| 2009 | Audi | A3 | Front | 29in Length |
| 2009 | Audi | A3 | Center | 29in Length |
| 2009 | Audi | A3 Quattro | Rear | 29in Length; Brown |
| 2009 | Audi | A3 Quattro | Front | 29in Length |
| 2009 | Audi | A4 | Rear | 29in Length |
| 2009 | Audi | A4 Quattro | Rear | 29in Length |
| 2009 | Audi | Q7 | Rear Right | 29in Length |
| 2009 | Audi | Q7 | Rear Left | 29in Length |
| 2009 | Audi | R8 | Rear | 29in Length; Cylinders 1 through 4; Black; Cylinders 5 through 8; Brown |
| 2009 | Audi | TT | Rear | 29in Length |
| 2009 | Audi | TT | Front | 29in Length |
| 2009 | Audi | TT Quattro | Rear | 29in Length; Black; Brown; with 4 Pins |
| 2009 | Audi | TT Quattro | Rear | 29in Length |
| 2009 | Audi | TT Quattro | Front | 29in Length |
| 2009 | Audi | TTS Quattro | Rear | 29in Length |
| 2009 | Audi | TTS Quattro | Front | 29in Length |
| 2009 | Porsche | Cayenne | Rear | 29in Length; For Cylinders 4 to 6 Only |
| 2009 | Volkswagen | CC | Rear Left | 29in Length |
| 2009 | Volkswagen | CC | Front | 29in Length |
| 2009 | Volkswagen | Eos | Front | 29in Length |
| 2009 | Volkswagen | Eos | Center | 29in Length |
| 2009 | Volkswagen | GTI | Front | 29in Length |
| 2009 | Volkswagen | GTI | Rear | 29in Length |
| 2009 | Volkswagen | Jetta | Front | 29in Length |
| 2009 | Volkswagen | Jetta | Center | 29in Length |
| 2009 | Volkswagen | Passat | Front | 29in Length |
| 2009 | Volkswagen | Touareg | Rear Right | 29in Length |
| 2009 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2008 | Audi | A3 | Front | 29in Length |
| 2008 | Audi | A3 | Center | 29in Length |
| 2008 | Audi | A3 Quattro | Rear | 29in Length; Brown |
| 2008 | Audi | A4 | Rear | 29in Length |
| 2008 | Audi | A4 Quattro | Rear | 29in Length |
| 2008 | Audi | Q7 | Rear Right | 29in Length |
| 2008 | Audi | Q7 | Rear Left | 29in Length |
| 2008 | Audi | R8 | Rear | 29in Length; Cylinders 1 through 4; Black; Cylinders 5 through 8; Brown |
| 2008 | Audi | RS4 | Rear | 29in Length; Cylinders 5 through 8; Brown |
| 2008 | Audi | TT | Rear | 29in Length |
| 2008 | Audi | TT | Front | 29in Length |
| 2008 | Audi | TT Quattro | Rear | 29in Length; Black; Brown; with 4 Pins |
| 2008 | Porsche | Cayenne | Rear | 29in Length; For Cylinders 4 to 6 Only |
| 2008 | Volkswagen | Eos | Front | 29in Length |
| 2008 | Volkswagen | GTI | Front | 29in Length |
| 2008 | Volkswagen | GTI | Rear | 29in Length |
| 2008 | Volkswagen | Jetta | Front | 29in Length |
| 2008 | Volkswagen | Jetta | Center | 29in Length |
| 2008 | Volkswagen | Passat | Rear Left | 29in Length |
| 2008 | Volkswagen | Passat | Front | 29in Length |
| 2008 | Volkswagen | Touareg | Rear Right | 29in Length |
| 2008 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2007 | Audi | A3 | Front | 29in Length |
| 2007 | Audi | A3 Quattro | Rear | 29in Length; Brown |
| 2007 | Audi | A4 | Rear | 29in Length |
| 2007 | Audi | A4 Quattro | Rear | 29in Length |
| 2007 | Audi | Q7 | Rear Right | 29in Length |
| 2007 | Audi | Q7 | Rear Left | 29in Length |
| 2007 | Audi | RS4 | Rear | 29in Length; Cylinders 5 through 8; Brown |
| 2007 | Volkswagen | Eos | Front | 29in Length |
| 2007 | Volkswagen | GTI | Front | 29in Length |
| 2007 | Volkswagen | Jetta | Front | 29in Length |
| 2007 | Volkswagen | Passat | Rear Left | 29in Length |
| 2007 | Volkswagen | Passat | Center Left | 29in Length |
| 2007 | Volkswagen | Passat | Front | 29in Length |
| 2007 | Volkswagen | Touareg | Rear Right | 29in Length |
| 2007 | Volkswagen | Touareg | Rear Left | 29in Length |
| 2006 | Audi | A3 | Front | 29in Length |
| 2006 | Audi | A3 Quattro | Rear | 29in Length; Brown |
| 2006 | Audi | A4 | Rear | 29in Length |
| 2006 | Audi | A4 Quattro | Rear | 29in Length |
| 2006 | Audi | A6 Quattro | Rear | 29in Length; Cylinders 1 through 8 |
| 2006 | Volkswagen | GTI | Front | 29in Length |
| 2006 | Volkswagen | Jetta | Front | 29in Length |
| 2006 | Volkswagen | Passat | Rear Left | 29in Length |
| 2006 | Volkswagen | Passat | Center Left | 29in Length |
| 2006 | Volkswagen | Passat | Front | 29in Length |
| 2005 | Audi | A4 | Rear | 29in Length |
| 2005 | Audi | A4 Quattro | Rear | 29in Length |
| 2005 | Audi | A6 Quattro | Rear | 29in Length; Cylinders 1 through 8 |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.