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NTK®
25656 Oxygen Sensor, Sold individually 4-wire

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$128.99
$336.99Save: $208.00(62%)
Manufacturer #25656
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Location:
Center, Passenger Side, After Catalytic Converter, After Catalytic Converter, Driver Side, After Catalytic Converter
Notes:
Heated Sensor Type
Type:
4-wire
Quantity Sold:
Sold individually
Product Fit:
Direct Fit
Wire Length:
31.5 in. Wire Length
Thread Size:
18 mm Thread Size
Mounting Style:
Threaded-in Mounting Style
Interchange Part Number:
16121, 25604
Warranty:
NGK limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2005-2006 Audi A6 Quattro
Base
8 Cyl 4.2L
-
2005-2008 Audi A4
Base
4 Cyl 2.0L
-
2005-2008 Audi A4 Quattro
Avant
4 Cyl 2.0L
-
2005-2008 Audi A4 Quattro
Base
4 Cyl 2.0L
-
2007-2008 Audi A4
Cabriolet
4 Cyl 2.0L
-
Page 1 of 9 | Showing 1 - 5 of 43 results

Product Information

NTK SUPER CLASS OE IDENTICAL OXYGEN SENSOR

NTK Oxygen Sensor combines expertise with innovation in order to control the fuel and ignition systems to optimize a car's performance in the areas of emissions and fuel economy.

Specifications:
  • 4-wire
  • 31.5 in. wire length
  • Non-flanged
  • Heated
Features:
  • Precision manufactured with a sensing element incorporating NTK's premier technical ceramics
  • Delivers superior fit, form, and function
  • Extensively tested to guarantee quality and reliability
Supplied with a factory-fitted OEM connector for easy installation. Direct plug-in, no cutting or splicing required.
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews