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NTK 22103 Oxygen Sensor - Upstream
| Brand | NTK 22103 |
|---|---|
| Position | Upstream |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 12.2500 |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Mazda · 1 vehicle |
Direct fit replacement. Specific-fit oxygen sensor for straightforward installation.
Heated sensor. Built for fast response and dependable emissions control.
Threaded mounting. Installs with a secure, conventional sensor connection.
Cross-references BBB Industries 13287, DENSO Auto Parts 234-4629 and Spectra Premium OS5156 for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct Fit Oxygen Sensor for Mazda 626
NTK 22103 is a direct fit heated oxygen sensor built for specific applications, including the 2000 Mazda 626 upstream position. It uses a threaded mounting design with a 4-wire configuration and a 12.2500 wiring harness length for OE-style replacement service.
As part of NTK’s Direct Fit Oxygen Sensor line, this sensor is engineered for import and domestic coverage with application-specific fitment. For 2000 Mazda 626 oxygen sensor replacement, NTK 22103 provides the correct form factor for upstream exhaust monitoring.
Key Features
- Direct fit oxygen sensor for specific vehicle applications
- Heated sensor design for faster operating response
- 4-wire configuration
- Threaded mounting type with 18.000 thread diameter
- 12.2500 wiring harness length
- Fits 2000 Mazda 626, upstream
Application Details
NTK 22103 is a direct replacement oxygen sensor for the 2000 Mazda 626 upstream position, listed for B1S1 service with Federal Emissions notes. NTK manufactures oxygen sensors with controlled ceramic technology and extensive production testing to support fit, form, and function that align with OE specifications. This part cross-references DENSO Auto Parts 234-4629 for the same application.
What This Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio feedback from a worn upstream sensor
- Slow sensor response during closed-loop operation
- Emissions test failures tied to upstream exhaust monitoring
- Rough idle or drivability issues caused by inaccurate exhaust readings
Installation Notes
Confirm the vehicle is a 2000 Mazda 626 with the upstream B1S1 application before ordering. Match the threaded mounting style, 4-wire connector layout, and harness length to the original sensor. Inspect the exhaust threads and connector condition during replacement to help ensure proper installation and signal transfer.
Quality Assurance
NTK is a major original equipment oxygen sensor manufacturer, and this Direct Fit Oxygen Sensor line is tested during production to meet or exceed OE specifications for quality and reliability. For buyers searching for a 2000 Mazda 626 upstream oxygen sensor, NTK 22103 offers OE-style application coverage backed by NTK’s sensor manufacturing expertise.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Mazda | 626 | 2.0L | L4 | Upstream | B1S1; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor |
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