NTK
NTK Oxygen Sensor 25656
NTK Oxygen Sensor 25656
Part number: 3U0KX
Regular price
$136.79 USD
Regular price
Sale price
$136.79 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Oxygen Sensor 25656 by NTK. Check the part number and details below against what you are replacing. Reading the trouble code first points you to the right sensor.
Quick facts
- Brand: NTK
- Part type: Sensor
Listed fitment
- 2010 Audi A3 100 Aniversario
- 2008 - 2011 Audi A3 Ambiente, Base, Attraction, S Line, Attraction Plus
- 2009 - 2010 Audi A3 Cabrio
- 2010 - 2011 Audi A3 TDI
- 2009 Audi A3 Quattro Base
- 2005 Audi A4 Avant
- 2007 - 2008 Audi A4 Cabrio Elite, Cabrio S Line
- 2005 - 2006 Audi A4 Cabrio, Vangard
- 2006 Audi A4 Limited Edition
- 2005 - 2009 Audi A4 Luxury, Trendy, Cabriolet, Base
- 2005 - 2008 Audi A4 S Line
- 2005 - 2007 Audi A4 S Line Sport, Elite
- 2009 Audi A4 Sport
- 2008 - 2009 Audi A4 Trendy Plus
- 2005 - 2009 Audi A4 Quattro Base, Cabriolet, Elite, Avant
- 2006 - 2007 Audi A4 Quattro DTM
- 2005 Audi A4 Quattro Luxury
- 2005 - 2008 Audi A4 Quattro S Line
- 2008 Audi A4 Quattro S Line Sport, Trendy
- 2006 Audi A4 Quattro Vangard
- 2006 Audi A6 Quattro Avant, S Line
- 2005 - 2006 Audi A6 Quattro Elite, Base
- 2007 - 2014 Audi A8 Quattro Base, L
- 2007 - 2008 Audi A8 Quattro L Plus
- 2013 - 2014 Audi A8 Quattro L Premium
- 2014 Audi A8 Quattro L TDI
- 2007 - 2009 Audi A8 Quattro Plus
- 2012 - 2014 Audi A8 Quattro Premium, Elite, L W12
- 2007 - 2010 Audi Q7 Base, Luxury, Elite, Premium
- 2010 Audi Q7 S Line, 100 Aniversario, Prestige
- 2009 - 2010 Audi Q7 TDI
- 2008 - 2010 Audi Q7 TDI Elite, TDI Luxury
- 2008 - 2012 Audi R8 Base
- 2012 Audi R8 GT, GT Spyder
- 2011 - 2012 Audi R8 Spyder
- 2010 Porsche Cayenne S Transsyberia
- 2008 - 2010 Porsche Cayenne S, Base, Turbo, GTS
- 2009 - 2010 Porsche Cayenne Turbo S
- 2011 Volkswagen CC Highline V6, Highline, R-Line, Sportline
- 2009 - 2011 Volkswagen CC Sport, VR6 4Motion, Luxury
- …and 23 more
Tip: Read the code, check the wiring and connector, and clear codes after the new sensor is in.
About this sensor
Reading the trouble code first points you to the right sensor.
Fitment notes
- Specs, lead time and warranty come from NTK and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Connector and wiring. Corroded connectors mimic a bad sensor.
More for your car: Oxygen (O2) Sensors · Batteries & electrical
Questions about sensor
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Will a new sensor clear my check-engine light?
If the sensor was the cause, the light usually goes off after codes are cleared or after a few drive cycles.
Where do specs and warranty details come from?
From NTK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.
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