NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2000-2001 |
Mazda |
MPV |
DX |
| 2000-2001 |
Mazda |
MPV |
ES |
| 2000-2001 |
Mazda |
MPV |
LX |
| 2002-2003 |
Mazda |
Protege |
DX |
| 1999-2003 |
Mazda |
Protege |
ES |
| 2001-2003 |
Mazda |
Protege |
LX |
| 2003 |
Mazda |
Protege |
Mazdaspeed |
| 2001 |
Mazda |
Protege |
MP3 |
| 2002-2003 |
Mazda |
Protege5 |
Base |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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