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NTK 24645 Oxygen Sensor - Downstream Left
| Brand | NTK 24645 |
|---|---|
| Position | Downstream Left |
| Wiring Harness Length | 30.7500 |
| 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 | Nissan · 2 vehicles |
Direct-fit design. Specific application replacement with OE-style fit and function.
Heated sensor. Helps the sensor reach operating temperature quickly for emissions feedback.
NTK 24645. Backed by NTK's OE oxygen sensor manufacturing expertise.
Cross-references Bosch 15943, DENSO Auto Parts 234-4270 and Spectra Premium OS5321 for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Oxygen Sensor
NTK 24645 is a direct-fit heated oxygen sensor built for specific applications with a threaded mounting design and a 4-wire configuration. It is engineered for accurate exhaust feedback and OE-style fitment on select Nissan Sentra applications.
Key Features
- Heated oxygen sensor for faster operating response
- Specific-fit design for direct replacement use
- Threaded mounting type with 18 mm thread diameter
- 30.75-inch wiring harness length
- 4-wire sensor configuration
- NTK 24645 direct-fit replacement
Detailed Description
NTK 24645 belongs to NTK's Direct Fit Oxygen Sensor line, a product family focused on streamlined coverage and OE-style application matching. NTK draws on its background as a major oxygen sensor manufacturer and uses controlled ceramic technology from raw material through finished sensor production. The result is a replacement oxygen sensor that emphasizes fit, form, and function for emission control service. This part cross-references Bosch 15943 and DENSO Auto Parts 234-4270 for the same application.
Compatible with select Nissan Sentra models, this sensor is listed for downstream left placement and includes application notes for OE-equivalent design. The NTK 24645 is a practical choice when replacing a worn sensor on a Nissan Sentra and when maintaining proper exhaust monitoring is important.
What It Is Used For
- Restoring oxygen sensor signal accuracy
- Addressing check engine light concerns tied to sensor performance
- Replacing a damaged or aging heated oxygen sensor
- Maintaining proper emissions system feedback
- Correcting drivability issues related to exhaust mixture monitoring
Installation Notes and Tips
Verify the connector style, harness length, thread diameter, and downstream left application before installation. This sensor is a specific-fit part, so matching the vehicle year and notes is important for proper installation on compatible Nissan Sentra applications. Follow the vehicle service procedure for sensor removal and installation.
Quality Assurance
NTK states that its oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications. The brand also supplies original equipment oxygen sensors globally, supporting OE-level application coverage and manufacturing consistency.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Nissan | Sentra | 1.8L | L4 | Downstream Left | B1S2; Exc. Clean Air Vehicle; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2001 | Nissan | Sentra | 1.8L | L4 | Downstream Left | B1S2; Exc. Clean Air Vehicle; Dark Blue Connector; OE Equivalent Design; Direct Fit Oxygen Sensor |
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