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NTK 22095 Oxygen Sensor - Downstream
| Brand | NTK 22095 |
|---|---|
| Position | Downstream |
| Wiring Harness Length | 39.2500 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Type | Threaded |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Mazda · 4 vehicles |
Direct-fit design. Built for specific applications with OE-style replacement fit.
Heated sensor. Helps the sensor reach operating response more quickly.
OE-tested quality. Manufactured and tested to meet or exceed OE specifications.
Cross-references BBB Industries 13881, Bosch 13850 and Delphi ES10718 for the same application. See all 9.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Oxygen Sensor
The NTK 22095 is a direct-fit heated oxygen sensor built for specific applications and engineered for OE-style replacement. It uses a threaded mounting design with a 4-wire configuration and a 39.25-inch harness for a precise service replacement.
Key Features
- Heated oxygen sensor for faster operating response.
- Specific-fit design for direct replacement service.
- Threaded mounting type for secure installation.
- 4-wire configuration for the correct electrical connection.
- 39.25-inch wiring harness for application-specific routing.
- 18 mm thread diameter.
Detailed Description
NTK 22095 is part of the Direct Fit Oxygen Sensor line, a product line focused on application-specific replacement and OE-style fitment. NTK draws on its background as a major oxygen sensor supplier and uses controlled ceramic technology from raw material through finished sensor production. This oxygen sensor is built to match the original service application with the fit, form, and function expected for emission control service. It fits 1997-2000 Mazda Millenia, downstream, and is identified for the exhaust pipe after the catalyst, B1S3. This part cross-references Bosch 13850 and DENSO Auto Parts 234-4037 for the same application.
Common Issues It Can Address
- Fault codes related to oxygen sensor performance.
- Incorrect air-fuel feedback from a worn sensor.
- Emissions test failures tied to sensor response.
- Rough engine operation caused by inaccurate exhaust readings.
- Service replacement needs for the downstream sensor location.
Installation Notes and Tips
Verify the downstream location, exhaust pipe placement after the catalyst, and B1S3 application before installation. Confirm the 18 mm thread diameter and 4-wire connector match the original sensor. Use the 39.25-inch harness length to route the lead without strain or contact with hot exhaust components.
Quality Assurance
NTK tests these oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Mazda | Millenia | 2.5L | V6 | Downstream | Located in Exhaust Pipe After Catalyst; B1S3; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1999 | Mazda | Millenia | 2.5L | V6 | Downstream | Located in Exhaust Pipe After Catalyst; B1S3; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1998 | Mazda | Millenia | 2.5L | V6 | Downstream | Located in Exhaust Pipe After Catalyst; B1S3; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1997 | Mazda | Millenia | 2.5L | V6 | Downstream | Located in Exhaust Pipe After Catalyst; B1S3; OE MFR: NTK; Direct Fit Oxygen Sensor |
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