NTK
NTK Oxygen Sensor 21045
NTK Oxygen Sensor 21045
Part number: 3QV4I
Regular price
$55.07 USD
Regular price
Sale price
$55.07 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Oxygen Sensor 21045 from NTK. The part number and specifications are listed below. Reading the trouble code first points you to the right sensor.
Quick facts
- Brand: NTK
- Part type: Sensor
Listed fitment
- 2002 - 2005 Chevrolet Cavalier LS Sport, LS, Base
- 2002 Chevrolet Cavalier Z24
- 2004 - 2005 Chevrolet Classic Base
- 2004 Chevrolet Classic LS
- 2005 Chevrolet Cobalt Base
- 2005 - 2007 Chevrolet Cobalt LT, LS, SS
- 2006 - 2007 Chevrolet Cobalt LTZ
- 2004 - 2005 Chevrolet Malibu LT, Maxx LS, Maxx LT, Base, LS
- 2004 Chevrolet Malibu Maxx
- 2002 - 2004 Oldsmobile Alero GL, GLS, GX
- 2003 Pontiac Grand Am Base
- 2002 - 2005 Pontiac Grand Am GT, SE, GT1
- 2002 - 2004 Pontiac Grand Am SE1
- 2003 - 2004 Pontiac Grand Am SE2
- 2002 - 2005 Pontiac Sunfire Base
- 2002 - 2003 Pontiac Sunfire GT
- 2002 - 2004 Pontiac Sunfire SE
- 2003 - 2005 Saturn Ion 1
- 2003 - 2007 Saturn Ion 3, 2
- 2004 - 2007 Saturn Ion Red Line
- 2002 Saturn L100 Base
- 2002 - 2003 Saturn L200 Base
- 2004 Saturn L300 1, 2, 3
- 2002 - 2003 Saturn LW200 Base
- 2002 - 2005 Saturn Vue Base
- 2004 - 2005 Saturn Vue Red Line
Tip: Read the code, check the wiring and connector, and clear codes after the new sensor is in.
About this sensor
Reading the trouble code first points you to the right sensor.
Fitment notes
- Specs, lead time and warranty come from NTK and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
- Connector and wiring. Corroded connectors mimic a bad sensor.
More for your car: Oxygen (O2) Sensors · Batteries & electrical
Questions about sensor
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Will a new sensor clear my check-engine light?
If the sensor was the cause, the light usually goes off after codes are cleared or after a few drive cycles.
Where do specs and warranty details come from?
From NTK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.
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