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NTK 22099 Oxygen Sensor - Downstream Rear
| Brand | NTK 22099 |
|---|---|
| Position | Downstream Rear |
| Wiring Harness Length | 27.5000 |
| 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 · 2 vehicles |
Direct fit design. Built for specific applications with OE-style fit, form, and function.
Heated sensor. Helps the sensor reach operating temperature faster for responsive exhaust feedback.
OE-focused engineering. NTK applies ceramic sensor expertise and production testing to meet OE standards.
Cross-references BBB Industries 13895, Bosch 13581 and Delphi ES20065 for the same application. See all 8.
Direct Fit Oxygen Sensor Overview
The NTK 22099 is a direct fit heated oxygen sensor built for specific emission-control applications. It is engineered for precise signal response and OE-style fitment, with a threaded mounting design and a 4-wire harness for the correct electrical connection.
Key Features
- Heated oxygen sensor design for faster operating readiness.
- Specific-fit construction for direct replacement use.
- Threaded mounting type for secure installation.
- 27.5-inch wiring harness length for application-specific routing.
- 18 mm thread diameter.
Detailed Description
NTK 22099 is part of the Direct Fit Oxygen Sensor line from NTK, a brand focused on OE application coverage and sensor technology. NTK manufactures oxygen sensors with ceramic-based expertise and extensive production testing to meet or exceed OE specifications. This oxygen sensor is a specific-fit replacement for 2001-2002 Mazda Millenia, downstream rear, and it is intended to restore accurate exhaust feedback for the engine management system. The NTK 22099 is also referenced by part number 22099 for catalog and cross-check purposes.
What It Is Used For
- Replacing a failed downstream rear oxygen sensor.
- Addressing check engine lights related to oxygen sensor performance.
- Restoring proper exhaust gas feedback to the engine control system.
- Correcting drivability issues tied to inaccurate air-fuel monitoring.
Installation Notes and Tips
Fits 2001-2002 Mazda Millenia, downstream rear. Verify connector style, harness length, thread diameter, and mounting type before installation. Use the vehicle’s original routing path to avoid strain on the sensor lead. Confirm the exhaust threads are clean and undamaged before threading in the sensor.
Quality Assurance
NTK tests oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. The brand is part of the NGK family of products and is recognized as a major original equipment oxygen sensor supplier.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Mazda | Millenia | 2.5L | V6 | Downstream Rear | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2001 | Mazda | Millenia | 2.5L | V6 | Downstream Rear | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
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