OE Quality
60-Day Returns

NTK 24684 Oxygen Sensor - Downstream
Overview of NTK Direct Fit Oxygen Sensor 24684 for Mazda Miata
The NTK Direct Fit Oxygen Sensor 24684 is designed specifically for Mazda Miata models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 40.25-inch wiring harness for straightforward installation.
- Heated oxygen sensor for accurate exhaust gas monitoring
- Specific fit for Mazda Miata vehicles
- Threaded mounting type with 18mm thread diameter
- Four-wire design for reliable electrical connections
- 40.25-inch wiring harness length for flexible installation
Detailed Features of the NTK Direct Fit Oxygen Sensor
The NTK Direct Fit Oxygen Sensor 24684 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing vehicle-specific sensors engineered to match OEM specifications. This ensures compatibility and performance without the need for modifications. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. With a wire quantity of four, this sensor supports both signal and heater circuits, essential for accurate oxygen level readings. The 18mm threaded mounting type secures the sensor firmly in place, while the 40.25-inch wiring harness length offers sufficient reach for clean and safe routing within the engine bay.
Applications and Common Issues Addressed
- Restores proper air-fuel mixture readings for Mazda Miata engines
- Helps resolve check engine light triggers related to oxygen sensor faults
- Improves fuel economy by providing accurate exhaust gas data
- Reduces harmful emissions by ensuring efficient catalytic converter operation
- Eliminates rough idling or engine hesitation caused by faulty sensors
Installation Notes and Tips
- Compatible specifically with Mazda Miata models; verify vehicle year before installation
- Use appropriate tools to avoid damaging the 18mm threaded sensor
- Ensure wiring harness is routed away from high-heat areas to prevent damage
- Check for proper sensor connector engagement to maintain electrical integrity
- Follow vehicle manufacturer torque specifications when mounting the sensor
Quality Assurance and Warranty Information
NTK oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Direct Fit Oxygen Sensor 24684 undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship to support long-term use in Mazda Miata vehicles.
| Brand | NTK |
|---|---|
| Part Number | 24684 |
| Position | Direct Fit Oxygen Sensor, Downstream |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 40.2500 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mazda | Miata | 1.8L | L4 | Downstream | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2004 | Mazda | Miata | 1.8L | L4 | Downstream | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2003 | Mazda | Miata | 1.8L | L4 | Downstream | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2002 | Mazda | Miata | 1.8L | L4 | Downstream | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2001 | Mazda | Miata | 1.8L | L4 | Downstream | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.