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Delphi ES20168 Oxygen Sensor - Front, Rear, Rear Left or Rear Right
| Brand | Delphi ES20168 |
|---|---|
| Position | Rear |
| Connector Shape | Flat |
| Overall Length | 700.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | 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 |
| Fits | Volkswagen and Audi · 51 vehicles |
Heated sensor. Delivers faster operating temperature for quicker emissions monitoring.
Flat connector. Simplifies installation with a compact, easy-to-match design.
OE heritage. Built with decades of original-equipment experience.
Cross-references BBB Industries 16257, Bosch 16034 and Bosch 16132 for the same application. See all 51.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20168 Oxygen Sensor Overview
The Delphi ES20168 is a heated oxygen sensor built for rear, rear left, rear right, and select front applications on Volkswagen and Audi vehicles. It uses a 4-wire design, flat connector shape, and 18 x 1.5 mm thread size with a 700.0 overall length for the listed fitments.
Built from Delphi’s OE experience and aftermarket engineering, this oxygen sensor supports accurate exhaust feedback on applications such as the Volkswagen Beetle, Golf, Jetta, and Audi A4 Quattro. The ES20168 is a direct-fit replacement for many rear sensor locations where the original sensor uses the same connector and length.
Key Features
- Heated oxygen sensor for faster operating temperature
- 4-wire configuration for the listed applications
- Flat connector shape for OE-style connection
- 18 x 1.5 mm thread size
- 700.0 overall length
- Includes oxygen sensor and instruction sheet
- Fits rear, rear left, rear right, and select front positions
Detailed Description
Delphi ES20168 is an emission control oxygen sensor engineered for vehicles that require a heated, 4-wire sensor with a flat connector and 700.0 overall length. It is listed for rear positions on the 1998-2010 Volkswagen Beetle, 2000-2006 Volkswagen Golf, 1999-2005 Volkswagen Jetta, and 2004 Volkswagen R32, along with rear applications on the 2004-2006 Audi TT Quattro and 2001-2000 Audi TT. It also fits rear left and rear right positions on the 2005-2006 Audi A4 Quattro and 2005 Audi A4.
Delphi draws on OE heritage and supplier experience with major automakers, and that background is reflected in the fit, connector style, and sensor construction of the ES20168. This part number, ES20168, is also cross-referenced by Bosch 16034 for the same application.
What This Oxygen Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect exhaust oxygen readings at the rear sensor location
- Fuel trim issues caused by a failing heated sensor
- Slow sensor response after warm-up
- Connector or thread mismatch during replacement
Installation Notes and Tips
- Confirm the exact sensor position in the vehicle application tab before ordering.
- Verify the 700.0 overall length matches the original sensor routing.
- Check that the connector shape and 4-wire layout match the OE unit.
- Inspect the exhaust bung thread size, listed as 18 x 1.5 mm, before installation.
- Use the included instruction sheet and follow vehicle-specific service procedures.
Quality Assurance
Delphi builds this oxygen sensor with OE-based engineering and supplier knowledge developed over decades of original equipment experience. That background supports consistent fitment and sensor design for the listed Volkswagen and Audi applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2010 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2009 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2008 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2007 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2006 | Audi | A4 Quattro | — | — | — | — | Rear Right | with 700mm Overall Length |
| 2006 | Audi | A4 Quattro | — | — | — | — | Rear Left | with 700mm Overall Length |
| 2006 | Audi | TT Quattro | — | — | — | — | Rear | Black; with 700mm Overall Length |
| 2006 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2006 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2005 | Audi | A4 | — | — | — | — | Rear Right | with 700mm Overall Length |
| 2005 | Audi | A4 | — | — | — | — | Rear Left | with 700mm Overall Length |
| 2005 | Audi | A4 Quattro | — | — | — | — | Rear Right | with 700mm Overall Length |
| 2005 | Audi | A4 Quattro | — | — | — | — | Rear Left | with 700mm Overall Length |
| 2005 | Audi | Allroad Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2005 | Audi | TT Quattro | — | — | — | — | Rear | Black; with 700mm Overall Length |
| 2005 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2005 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2005 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 2004 | Audi | A6 Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2004 | Audi | Allroad Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2004 | Audi | TT Quattro | — | — | — | — | Rear | Black; with 700mm Overall Length |
| 2004 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2004 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2004 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 2004 | Volkswagen | R32 | — | — | — | — | Rear Right | with 700mm Overall Length |
| 2003 | Audi | A6 Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2003 | Audi | Allroad Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2003 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2003 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2003 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 2002 | Audi | A6 Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2002 | Audi | Allroad Quattro | — | — | — | — | Front | with 700mm Overall Length |
| 2002 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2002 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2002 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Audi | TT | — | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Volkswagen | Beetle | GLS | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Volkswagen | Beetle | GL | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Volkswagen | Beetle | GLX | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2001 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 2000 | Audi | TT | — | — | — | — | Rear | From Chassis # 8N-Y-001 701 To # 8N-Y-001 700; with 700mm Overall Length |
| 2000 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
| 2000 | Volkswagen | Golf | GLS | — | — | — | Rear | with 700mm Overall Length |
| 2000 | Volkswagen | Golf | GL | — | — | — | Rear | with 700mm Overall Length |
| 2000 | Volkswagen | Golf | — | — | — | — | Rear | with 700mm Overall Length |
| 2000 | Volkswagen | Jetta | — | — | — | — | Rear | with 700mm Overall Length |
| 1999 | Volkswagen | Beetle | GLX | — | — | — | Rear | with 700mm Overall Length |
| 1999 | Volkswagen | Golf | — | 2.0L | L4 | — | Rear | — |
| 1999 | Volkswagen | Jetta | GL | — | — | GAS | Rear | with 700mm Overall Length |
| 1998 | Volkswagen | Beetle | — | — | — | — | Rear | with 700mm Overall Length |
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