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NTK 24668 Air / Fuel Ratio Sensor - Upstream
| Brand | NTK 24668 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 24.0 |
| Sensor Type | Heated |
| Thread Length | 0.38 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Bracket Included | No |
| Product line | Direct Fit 4-Wire A/F Sensor |
| Fits | Acura · 5 vehicles |
Direct fit design. Specific-fit sensor for straightforward replacement.
Heated sensor. Helps the sensor reach operating temperature quickly.
OE-spec tested. Manufactured to meet or exceed original equipment standards.
Cross-references Bosch 15482, Carlson 15081 and Delphi ES10940 for the same application. See all 11.
NTK Direct Fit A/F Sensor for Acura TSX
NTK Part Number 24668 is a direct fit heated air/fuel ratio sensor for the upstream position on select 2004-2008 Acura TSX models. It is built for Bank 1 Sensor 1 service and uses a specific-fit, 4-wire design with a 24.0 in. wiring harness for OE-style replacement.
Key Features
- Direct Fit 4-Wire A/F Sensor for specific applications
- Heated sensor design for faster operating temperature
- 24.0 in. wiring harness length
- 18.000 mm thread diameter with 0.38 in. thread length
- Specific fit for upstream Bank 1 Sensor 1 service
- No mounting bracket included
Product Details
NTK Part Number 24668 is part of the NTK Direct Fit 4-Wire A/F Sensor line, a product family focused on OE-style replacement coverage for import and domestic vehicles. NTK uses ceramic sensor manufacturing expertise and extensive testing to deliver fit, form, and function that align with original equipment requirements. For Acura TSX air/fuel ratio sensor replacement, this sensor is specified for the upstream location and matches the application details needed for accurate exhaust feedback.
Fits 2004-2008 Acura TSX, upstream. This part cross-references Bosch 15482 and DENSO Auto Parts 234-9066 for the same application.
Common Issues This Sensor Can Address
- Check engine light related to air/fuel ratio sensor performance
- Incorrect fuel trim readings from a failing upstream sensor
- Rough idle or drivability concerns tied to exhaust feedback errors
- Reduced emissions control performance from an aging sensor
- Slow sensor response during closed-loop operation
Installation Notes and Tips
Verify the vehicle is a 2004-2008 Acura TSX with the upstream Bank 1 Sensor 1 location before ordering. Confirm connector routing, harness length, and thread specifications match the original sensor. Use proper exhaust sensor service procedures and inspect the wiring path for heat damage or contamination during replacement.
Quality Assurance
NTK manufactures oxygen and air/fuel ratio sensors with OE-focused engineering and testing to meet or exceed original equipment specifications. The brand’s sensor expertise and application coverage support reliable replacement for Acura TSX service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Acura | TSX | 2.4L | L4 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2007 | Acura | TSX | 2.4L | L4 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2006 | Acura | TSX | 2.4L | L4 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2005 | Acura | TSX | 2.4L | L4 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2004 | Acura | TSX | 2.4L | L4 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
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