The Bosch Oxygen Sensor 17078 is a direct-fit OE-quality replacement sensor that measures the oxygen content in exhaust gases to optimize the air-fuel mixture. It helps reduce emissions, improve fuel economy, and ensure your engine runs efficiently. This sensor fits a wide range of Audi and Volkswagen models including A1, A2, A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, R8, TT, and many more from 1994 to 2020.
Key Features & Benefits
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Heated 4-Wire Design: Heated element reaches operating temperature faster, reducing light-off time and ensuring accurate readings from cold start.
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Direct OE Replacement: Exactly matches the fit, form, and function of the original sensor, making installation straightforward.
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OEM Cross-Reference 4H0906262N: Validated to replace Audi/VW part number 4H0906262N for guaranteed compatibility.
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Emissions Compliance: Meets or exceeds OEM specifications to help your vehicle pass emissions tests and run cleaner.
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Durable Construction: Steel housing and robust connector withstand high exhaust temperatures and road debris for long service life.
Vehicle Fitment
| Make |
Model |
Years |
Engine |
| AUDI |
A1 (8X1, 8XK) |
2010–2015 |
1.2 TFSI |
| AUDI |
A1 (8X1, 8XK) |
2011–2015 |
1.4 TFSI |
| AUDI |
A1 (8X1, 8XK) |
2012–2015 |
1.4 TFSI |
| AUDI |
A1 (8X1, 8XK) |
2012 |
2.0 TFSI quattro |
| AUDI |
A1 (8X1, 8XK) |
2014–2018 |
S1 quattro |
| AUDI |
A1 Sportback (8XA, 8XF) |
2011–2015 |
1.4 TFSI |
| AUDI |
A1 Sportback (8XA, 8XF) |
2012–2015 |
1.2 TFSI |
| AUDI |
A1 Sportback (8XA, 8XF) |
2014–2018 |
S1 quattro |
| AUDI |
A2 (8Z0) |
2000–2005 |
1.4 TDI |
| AUDI |
A2 (8Z0) |
2001–2005 |
1.2 TDI |
| AUDI |
A2 (8Z0) |
2002–2005 |
1.6 FSI |
| AUDI |
A2 (8Z0) |
2003–2005 |
1.4 TDI |
| AUDI |
A3 (8L1) |
1996–2003 |
1.6 |
| AUDI |
A3 (8L1) |
1996–2001 |
1.9 TDI |
| AUDI |
A3 (8L1) |
1997–2001 |
1.9 TDI |
| AUDI |
A3 (8L1) |
1998–2003 |
1.8 T quattro |
| AUDI |
A3 (8L1) |
1999–2002 |
S3 quattro |
| AUDI |
A3 (8L1) |
2000–2003 |
1.9 TDI |
| AUDI |
A3 (8L1) |
2001–2003 |
S3 quattro |
| AUDI |
A3 (8P1) |
2003–2008 |
2.0 FSI |
| AUDI |
A3 (8P1) |
2003–2012 |
2.0 TDI 16V |
| AUDI |
A3 (8P1) |
2003–2010 |
1.9 TDI |
| AUDI |
A3 (8P1) |
2003–2009 |
3.2 V6 quattro |
| AUDI |
A3 (8P1) |
2003–2007 |
1.6 FSI |
| AUDI |
A3 (8P1) |
2004–2012 |
2.0 TFSI |
| AUDI |
A3 (8P1) |
2005–2008 |
2.0 TDI |
| AUDI |
A3 (8P1) |
2006–2012 |
2.0 TDI |
| AUDI |
A3 (8P1) |
2006–2008 |
2.0 TDI quattro |
| AUDI |
A3 (8P1) |
2007–2012 |
1.4 TFSI |
| AUDI |
A3 (8P1) |
2008–2012 |
1.8 TFSI quattro |
| AUDI |
A3 (8P1) |
2009–2012 |
1.6 TDI |
| AUDI |
A3 (8P1) |
2010–2012 |
1.2 TSI |
| AUDI |
A3 (8P1) |
2011–2012 |
1.6 E-Power |
| AUDI |
A3 (8V1, 8VK) |
2012–2014 |
1.4 TFSI |
| AUDI |
A3 (8V1, 8VK) |
2012–2016 |
1.8 TFSI |
| AUDI |
A3 (8V1, 8VK) |
2012–2020 |
2.0 TDI |
| AUDI |
A3 (8V1, 8VK) |
2012–2015 |
1.6 TDI |
| AUDI |
A3 (8V1, 8VK) |
2012–2017 |
2.0 TDI |
| AUDI |
A3 (8V1, 8VK) |
2013–2016 |
2.0 TDI |
| AUDI |
A3 (8V1, 8VK) |
2013–2015 |
1.2 TFSI |
| AUDI |
A3 (8V1, 8VK) |
2013–2014 |
S3 quattro |
| AUDI |
A3 (8V1, 8VK) |
2013–2017 |
2.0 TDI |
| AUDI |
A3 Convertible (8P7) |
2008–2013 |
1.8 TFSI |
| AUDI |
A3 Convertible (8P7) |
2008–2009 |
1.9 TDI |
| AUDI |
A3 Convertible (8P7) |
2008–2010 |
1.6 |
| AUDI |
A3 Convertible (8P7) |
2009–2013 |
1.6 TDI |
| AUDI |
A3 Convertible (8P7) |
2010–2013 |
1.2 TFSI |
| AUDI |
A3 Convertible (8P7) |
2011–2013 |
1.4 TFSI |
| AUDI |
A3 Convertible (8V7, 8VE) |
2013–2014 |
1.4 TFSI |
| AUDI |
A3 Convertible (8V7, 8VE) |
2013–2016 |
1.8 TFSI |
| AUDI |
A3 Convertible (8V7, 8VE) |
2013–2020 |
2.0 TDI |
| AUDI |
A3 Convertible (8V7, 8VE) |
2014–2016 |
1.8 TFSI quattro |
| AUDI |
A3 Convertible (8V7, 8VE) |
2014–2020 |
S3 quattro |
| AUDI |
A3 Convertible (8V7, 8VE) |
2015–2017 |
1.8 40 TFSI |
| AUDI |
A3 Limousine (8VS, 8VM) |
2013–2020 |
1.4 TFSI |
| AUDI |
A3 Limousine (8VS, 8VM) |
2013–2015 |
1.2 TFSI |
| AUDI |
A3 Limousine (8VS, 8VM) |
2013–2016 |
1.8 TFSI quattro |
| AUDI |
A3 Limousine (8VS, 8VM) |
2013–2014 |
S3 quattro |
| AUDI |
A3 Limousine (8VS, 8VM) |
2014–2016 |
1.2 TFSI |
| AUDI |
A3 Sportback (8PA) |
2004–2010 |
1.9 TDI |
| AUDI |
A3 Sportback (8PA) |
2004–2007 |
1.6 FSI |
| AUDI |
A3 Sportback (8PA) |
2004–2009 |
3.2 V6 quattro |
| AUDI |
A3 Sportback (8PA) |
2004–2013 |
2.0 TDI |
| AUDI |
A3 Sportback (8PA) |
2004–2008 |
2.0 FSI |
| AUDI |
A3 Sportback (8PA) |
2005–2013 |
2.0 TDI 16V quattro |
| AUDI |
A3 Sportback (8PA) |
2005–2008 |
2.0 TDI |
| AUDI |
A3 Sportback (8PA) |
2006–2013 |
2.0 TDI |
| AUDI |
A3 Sportback (8PA) |
2006–2008 |
2.0 TDI quattro |
| AUDI |
A3 Sportback (8PA) |
2007–2013 |
1.4 TFSI |
| AUDI |
A3 Sportback (8PA) |
2008–2013 |
1.8 TFSI quattro |
| AUDI |
A3 Sportback (8PA) |
2009–2013 |
1.6 TDI |
| AUDI |
A3 Sportback (8PA) |
2010–2013 |
1.2 TSI |
| AUDI |
A3 Sportback (8PA) |
2011–2013 |
1.6 E-Power |
| AUDI |
A3 Sportback (8PA) |
2011–2012 |
RS3 quattro |
| AUDI |
A3 Sportback (8VA, 8VF) |
2012–2020 |
1.4 TFSI |
| AUDI |
A3 Sportback (8VA, 8VF) |
2012–2016 |
1.6 TDI |
| AUDI |
A3 Sportback (8VA, 8VF) |
2013–2020 |
2.0 TDI |
| AUDI |
A3 Sportback (8VA, 8VF) |
2013–2014 |
1.4 TFSI |
| AUDI |
A3 Sportback (8VA, 8VF) |
2013–2016 |
1.8 TFSI quattro |
| AUDI |
A3 Sportback (8VA, 8VF) |
2013–2015 |
1.2 TFSI |
| AUDI |
A3 Sportback (8VA, 8VF) |
2013–2018 |
2.0 TDI quattro |
Technical Specifications
| Part Number |
17078 |
| OEM Cross-Reference |
4H0906262N |
| Brand |
Bosch |
| Type |
Oxygen Sensor |
| Material |
Steel |
Installation Notes
Professional installation recommended to ensure proper sensor seating and avoid exhaust leaks.
About Bosch
Bosch is a world-leading automotive supplier and the original developer of the automotive oxygen sensor, trusted by OEMs worldwide for precision and reliability.
