25729 - NTK Oxygen (O2) Sensor


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Part #: 25729
Notes: OE Type Oxygen Sensor
MSRP: $288.82
Your Price: $98.28

Specs

Mounting Type Threaded
Sensor Type Heated
Thread Diameter 18.000
Wire Quantity 4
Wiring Harness Length 26.5000

All Fitments

AUDI
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2009 A4 ALL L4 2.0 ALL CAEB ALL Position: Downstream; B1S2;
2010 - 2010 A4 ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2009 - 2009 A4 QUATTRO ALL L4 2.0 ALL CAEB ALL Position: Downstream; B1S2;
2010 - 2010 A4 QUATTRO ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2010 - 2011 A5 ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2010 - 2011 A5 QUATTRO ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2007 - 2011 A6 QUATTRO ALL V8 4.2 ALL ALL ALL Position: Downstream Left; B2S2;
2007 - 2010 A8 QUATTRO ALL V8 4.2 ALL ALL ALL Position: Downstream; Cyls. 1-4;
2012 - 2014 A8 QUATTRO ALL W12 6.3 ALL ALL ALL Position: Downstream; Cyls. 1-3;
2013 - 2017 A8 QUATTRO ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
2015 - 2017 Q3 ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2015 - 2017 Q3 QUATTRO ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2014 - 2017 RS7 ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
2007 - 2011 S6 ALL V10 5.2 ALL ALL ALL Position: Downstream; Cyls. 6-8;
2013 - 2017 S6 ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
2013 - 2017 S7 ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
2013 - 2017 S8 ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
BENTLEY
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2015 - 2015 CONTINENTAL ALL V8 4.0 ALL ALL ALL Position: Downstream; Cyls. 1-4;
PORSCHE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2014 CAYENNE ALL V6 3.6 ALL ALL ALL Position: Downstream; Cyls. 1-3;
2016 - 2017 CAYENNE ALL V6 3.6 N ALL ALL Position: Downstream; Cyls. 1-3;
VOLKSWAGEN
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2009 CC ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2010 - 2010 CC ALL L4 2.0 ALL CBFA ALL Position: Downstream; Located After Catalyst;
2010 - 2010 CC ALL L4 2.0 ALL CCTA ALL Position: Downstream; B1S2;
2006 - 2009 PASSAT ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;
2010 - 2010 PASSAT ALL L4 2.0 ALL CBFA ALL Position: Downstream; Located After Catalyst;
2010 - 2010 PASSAT ALL L4 2.0 ALL CCTA ALL Position: Downstream; B1S2;
2009 - 2016 TIGUAN ALL L4 2.0 ALL ALL ALL Position: Downstream; B1S2;

Product Description

Oxygen (O2) Sensors are used in modern automobiles to control the fuel and ignition systems to optimize a car’s performance in the areas of emissions and fuel economy. Sensors are located before and after the catalytic converter to check on the amount of oxygen in the exhaust. The sensor sends signals to the car’s on-board computer, which then can adjust several variables, including air/fuel ratio and timing, in order to bring the engine into the optimum operating range.

Each NTK Oxygen (O2) Sensor is:

  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
  • Precision manufactured with a sensing element incorporating NTK’s premier technical ceramics

Oxygen (O2) Sensors should be tested at each tune-up. Failed or worn out oxygen sensors can cause:

  • Failed Emission Tests
  • Increased Fuel Consumption
  • Failed Catalytic Converters
  • Poor Driveability
  • Increased Emissions

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