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NTK OE Type Oxygen Sensor CHEVROLET AVALANCHE 2500


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Part #: 21555
Notes: OE Type Oxygen Sensor
MSRP: $218.92
Your Price: $63.37

Specs

Mounting Type Threaded
Sensor Type Heated
Thread Diameter 18.000
Universal Or Specific Fit Specific
Wire Harness Length 21.7500
Wire Quantity 4

All Fitments

BUICK
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2010 - 2014 LACROSSE ALL L4 2.4 ALL ALL ALL Position: Upstream
2011 - 2013 REGAL ALL L4 2.0 ALL ALL ALL Position: Upstream
2011 - 2013 REGAL ALL L4 2.4 ALL ALL ALL Position: Upstream
2012 - 2014 VERANO ALL L4 2.4 ALL ALL ALL Position: Upstream
CADILLAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2007 - 2009 SRX ALL V8 4.6 ALL ALL ALL Position: Upstream Left
2007 - 2009 SRX ALL V8 4.6 ALL ALL ALL Position: Upstream Right
2007 - 2010 STS ALL V8 4.6 ALL ALL ALL Position: Upstream Left
2007 - 2010 STS ALL V8 4.6 ALL ALL ALL Position: Upstream Right
CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2003 - 2006 AVALANCHE 2500 ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2005 - 2007 CORVETTE ALL V8 6.0 ALL ALL ALL Position: Upstream Left
2005 - 2007 CORVETTE ALL V8 6.0 ALL ALL ALL Position: Upstream Right
2006 - 2009 CORVETTE ALL V8 7.0 ALL ALL ALL Position: Upstream Left
2006 - 2009 CORVETTE ALL V8 7.0 ALL ALL ALL Position: Upstream Right
2008 - 2008 CORVETTE ALL V8 6.2 ALL ALL ALL Position: Upstream Left
2008 - 2008 CORVETTE ALL V8 6.2 ALL ALL ALL Position: Upstream Right
2009 - 2013 CORVETTE ALL V8 6.2 N ALL ALL Position: Upstream Left
2009 - 2013 CORVETTE ALL V8 6.2 N ALL ALL Position: Upstream Right
2008 - 2013 EXPRESS 3500 ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Cutaway Van;
2008 - 2013 EXPRESS 3500 ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Cutaway Van;
2006 - 2007 HHR ALL L4 2.4 ALL ALL ALL Position: Upstream
2014 - 2014 IMPALA ALL L4 2.4 ALL ALL ALL Position: Upstream
2009 - 2010 MALIBU ALL L4 2.4 ALL ALL GAS Position: Upstream; Automatic Trans; 6-Speed Trans;
2011 - 2014 MALIBU ALL L4 2.4 ALL ALL ALL Position: Upstream
2003 - 2006 SILVERADO 2500 HD ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Crew Cab Pickup;
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Extended Cab Pickup;
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Standard Cab Pickup;
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Crew Cab Pickup;
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Extended Cab Pickup;
2011 - 2012 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Standard Cab Pickup;
2007 - 2007 SILVERADO 2500 HD CLASSIC ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2003 - 2006 SILVERADO 3500 ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2007 - 2007 SILVERADO 3500 CLASSIC ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Crew Cab Pickup;
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Extended Cab Pickup;
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Standard Cab Pickup;
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Crew Cab Pickup;
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Extended Cab Pickup;
2011 - 2012 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Standard Cab Pickup;
2003 - 2006 SUBURBAN 2500 ALL V8 8.1 ALL ALL ALL Position: Downstream Left
GMC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2008 - 2013 SAVANA 3500 ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Cutaway Van;
2008 - 2013 SAVANA 3500 ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Cutaway Van;
2003 - 2006 SIERRA 2500 HD ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Crew Cab Pickup;
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Extended Cab Pickup;
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Standard Cab Pickup;
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Crew Cab Pickup;
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Extended Cab Pickup;
2011 - 2012 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Standard Cab Pickup;
2007 - 2007 SIERRA 2500 HD CLASSIC ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2003 - 2006 SIERRA 3500 ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2007 - 2007 SIERRA 3500 CLASSIC ALL V8 8.1 ALL ALL ALL Position: Downstream Left
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Crew Cab Pickup;
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Extended Cab Pickup;
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Left; Standard Cab Pickup;
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Crew Cab Pickup;
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Extended Cab Pickup;
2011 - 2012 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL Position: Upstream Right; Standard Cab Pickup;
2003 - 2006 YUKON XL 2500 ALL V8 8.1 ALL ALL ALL Position: Downstream Left
PONTIAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2010 G6 ALL L4 2.4 ALL ALL ALL Position: Upstream; Automatic Trans; 6-Speed Trans;
SAAB
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2011 9-5 ALL L4 2.0 ALL ALL ALL Position: Upstream
SATURN
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2009 AURA ALL L4 2.4 ALL ALL GAS Position: Upstream

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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