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NTK 24076 Oxygen Sensor - Upstream
| Brand | NTK 24076 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 29.5000 |
| 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 · 4 vehicles |
Direct-fit design. Application-specific replacement for straightforward sensor service.
Heated 4-wire sensor. Supports faster response and stable signal operation.
OE-focused engineering. NTK uses original equipment expertise and manufacturing control.
Cross-references Delphi ES20040, DENSO Auto Parts 234-4038 and Dorman - HELP 13854 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Oxygen Sensor
NTK 24076 is a direct-fit heated oxygen sensor built for specific applications with threaded mounting and a 4-wire design. It is engineered for accurate exhaust monitoring and reliable signal output in import and domestic emission control systems.
Key Features
- Direct-fit design for specific applications
- Heated oxygen sensor for faster operating response
- 4-wire configuration for signal and heater circuit operation
- Threaded mounting with 18 mm thread diameter
- 29.5-inch wiring harness length
- NTK part number 24076
Detailed Description
NTK 24076 is part of the Direct Fit Oxygen Sensor line, a product range focused on application-specific replacement and OE-style fit, form, and function. NTK draws on its ceramics expertise and original equipment manufacturing background to produce sensors that meet demanding emission control requirements. This oxygen sensor is a specific-fit replacement for the upstream position on 1997-2000 Mazda Millenia models, located in the exhaust pipe before the catalyst. It is also referenced by part number 24076 for ordering and catalog lookup.
For buyers searching for a 1997-2000 Mazda Millenia upstream oxygen sensor, this NTK unit provides the correct threaded configuration and heated sensor design for the listed application. This part cross-references Delphi ES20040 for the same application.
What It Is Used For
- Replacing a worn or slow-responding oxygen sensor
- Restoring proper exhaust gas feedback to the engine control system
- Addressing sensor-related fault codes tied to mixture control
- Correcting drivability issues caused by inaccurate oxygen readings
- Supporting emission system performance on the listed Mazda application
Installation Notes and Tips
Verify the upstream location and exhaust-pipe mounting before installation. Confirm the 18 mm threaded sensor interface, 4-wire connector layout, and harness length match the original unit. Use the vehicle’s service information for proper routing and torque procedures.
Quality Assurance
NTK tests these oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. The brand is recognized as a major original equipment oxygen sensor supplier, and this part number is built to support OE-level fit and function.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Mazda | Millenia | 2.5L | V6 | Upstream | Located in Exhaust Pipe Before Catalyst; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1999 | Mazda | Millenia | 2.5L | V6 | Upstream | Located in Exhaust Pipe Before Catalyst; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1998 | Mazda | Millenia | 2.5L | V6 | Upstream | Located in Exhaust Pipe Before Catalyst; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 1997 | Mazda | Millenia | 2.5L | V6 | Upstream | Located in Exhaust Pipe Before Catalyst; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor |
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