NTK OE Type Oxygen Sensor AUDI TT

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Part #: 25681
Notes: OE Type Oxygen Sensor
MSRP: $312.89
Your Price: $99.77


Mounting Type Threaded
Sensor Type Heated
Thread Diameter 18.000
Universal Or Specific Fit Specific
Wire Harness Length 36.5000
Wire Quantity 4

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2008 - 2011 R8 ALL V8 4.2 ALL ALL ALL Position: Downstream; Cyls. 1-4
2010 - 2010 R8 ALL V10 5.2 ALL ALL ALL Position: Downstream; Cyls. 1-5
2012 - 2012 R8 ALL V8 4.2 ALL ALL ALL Position: Downstream; Cyls. 1-4; Coupe;
2008 - 2009 TT ALL L4 2.0 ALL ALL ALL Position: Downstream
2008 - 2009 TT QUATTRO ALL V6 3.2 ALL ALL ALL Position: Downstream Right
2009 - 2011 TT QUATTRO ALL L4 2.0 ALL ALL ALL Position: Downstream

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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