NTK
NTK Oxygen Sensor 21508
NTK Oxygen Sensor 21508
Part number: 3OY7Q
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Oxygen Sensor 21508 from NTK. Sensors tell the engine computer what is happening so it can adjust fuel, timing and gauges. The fitment section lists 13 applications.
Specifications
- Brand: NTK
- Part type: Sensor
Fitment
- 1993 Asuna Sunrunner Base
- 1998 Chevrolet Tracker Delux, Lux, Base, LSi
- 1993 - 1997 Geo Tracker Base, LSi
- 1994 - 1997 Pontiac Sunrunner Base
- 1995 - 2002 Suzuki Esteem GLX Plus, GL, GLX
- 1993 Suzuki Sidekick Base
- 1996 - 1997 Suzuki Sidekick JA
- 1993 - 1995 Suzuki Sidekick JLX
- 1997 - 1998 Suzuki Sidekick JS Sport
- 1996 - 1998 Suzuki Sidekick JX Sport, JLX Sport
- 1993 - 1998 Suzuki Sidekick JX, JS
- 1996 - 1998 Suzuki X-90 Base
- 1998 Suzuki X-90 SE
What it does
Reading the trouble code first points you to the right sensor. Electrical faults often show up as warning lights, rough running or no-start problems, and the right replacement part clears the cause rather than the symptom.
Installation & tips
- Read the code, check the wiring and connector, and clear codes after the new sensor is in.
- Connector and wiring: Corroded connectors mimic a bad sensor.
- Disconnect the battery before you unplug or splice any wiring, and test everything works before you refit trim panels.
FAQ
How many vehicles is it listed for?
13 applications are listed in the fitment section above.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.
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? Message us your vehicle details and we'll double-check fitment before you buy.
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?
Will a new sensor clear my check-engine light?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.