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NTK OE Type Oxygen Sensor AUDI V8 QUATTRO

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Part #: 25524
Notes: OE Type Oxygen Sensor
MSRP: $255.06
Your Price: $77.64


Mounting Type Threaded
Sensor Type Heated
Thread Diameter 18.000
Universal Or Specific Fit Specific
Wire Harness Length 31.5000
Wire Quantity 3

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1992 - 1994 S4 ALL L5 2.2 ALL ALL ALL Position: Upstream
1995 - 1997 S6 ALL L5 2.2 ALL ALL ALL Position: Upstream
1990 - 1991 V8 QUATTRO ALL V8 3.6 ALL ALL ALL Position: Upstream; Automatic Trans;

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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