NTK OE Type Oxygen Sensor AUDI A4


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Part #: 25605
Notes: OE Type Oxygen Sensor
MSRP: $336.99
Your Price: $92.54

Specs

Mounting Type Threaded
Sensor Type Heated
Thread Diameter 18.000
Universal Or Specific Fit Specific
Wire Harness Length 37.0000
Wire Quantity 4

All Fitments

AUDI
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2000 - 2000 A4 ALL L4 1.8 ALL ATW ALL Position: Downstream
2001 - 2006 A4 ALL L4 1.8 ALL ALL ALL Position: Downstream
2002 - 2004 A4 ALL V6 3.0 ALL ALL ALL Position: Downstream Left
2002 - 2004 A4 ALL V6 3.0 ALL ALL ALL Position: Downstream Right
2000 - 2000 A4 QUATTRO ALL L4 1.8 ALL ATW ALL Position: Downstream
2001 - 2005 A4 QUATTRO ALL L4 1.8 ALL ALL ALL Position: Downstream
2002 - 2004 A4 QUATTRO ALL V6 3.0 ALL ALL ALL Position: Downstream Left
2002 - 2004 A4 QUATTRO ALL V6 3.0 ALL ALL ALL Position: Downstream Right
2002 - 2004 A6 ALL V6 3.0 ALL ALL ALL Position: Downstream Left
2002 - 2004 A6 ALL V6 3.0 ALL ALL ALL Position: Downstream Right
2002 - 2004 A6 QUATTRO ALL V6 2.7 ALL ALL ALL Position: Upstream Left
2002 - 2004 A6 QUATTRO ALL V6 2.7 ALL ALL ALL Position: Upstream Right
2002 - 2004 A6 QUATTRO ALL V6 3.0 ALL ALL ALL Position: Downstream Left
2002 - 2004 A6 QUATTRO ALL V6 3.0 ALL ALL ALL Position: Downstream Right
2004 - 2006 A8 QUATTRO ALL V8 4.2 ALL ALL ALL Position: Downstream Left
2002 - 2005 ALLROAD QUATTRO ALL V6 2.7 ALL ALL ALL Position: Upstream Left
2002 - 2005 ALLROAD QUATTRO ALL V6 2.7 ALL ALL ALL Position: Upstream Right
2000 - 2001 TT QUATTRO ALL L4 1.8 ALL AMU ALL Position: Downstream
2001 - 2001 TT QUATTRO ALL L4 1.8 ALL AWP ALL Position: Downstream
2002 - 2006 TT QUATTRO ALL L4 1.8 ALL ALL ALL Position: Downstream
2004 - 2006 TT QUATTRO ALL V6 3.2 ALL ALL ALL Position: Downstream Left
PORSCHE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2003 - 2006 CAYENNE ALL V8 4.5 ALL ALL ALL Position: Downstream Left
2003 - 2006 CAYENNE ALL V8 4.5 ALL ALL ALL Position: Downstream Right
2004 - 2006 CAYENNE ALL V6 3.2 ALL ALL ALL Position: Downstream Left
2004 - 2006 CAYENNE ALL V6 3.2 ALL ALL ALL Position: Downstream Right
VOLKSWAGEN
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2000 - 2005 PASSAT ALL L4 1.8 ALL ALL ALL Position: Downstream
2002 - 2004 PASSAT ALL W8 4.0 ALL ALL ALL Position: Downstream Left
2004 - 2006 PHAETON ALL V8 4.2 ALL ALL ALL Position: Downstream Left
2004 - 2006 PHAETON ALL W12 6.0 ALL ALL ALL Position: Downstream; Cyls. 10-12
2004 - 2006 PHAETON ALL W12 6.0 ALL ALL ALL Position: Downstream; Cyls. 1-3
2004 - 2006 PHAETON ALL W12 6.0 ALL ALL ALL Position: Downstream; Cyls. 4-6
2004 - 2006 PHAETON ALL W12 6.0 ALL ALL ALL Position: Downstream; Cyls. 7-9
2004 - 2006 TOUAREG ALL V6 3.2 ALL ALL ALL Position: Downstream Left

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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