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NTK 24323 Air / Fuel Ratio Sensor - Upstream
| Brand | NTK 24323 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 35.5 |
| Sensor Type | Heated |
| Thread Length | 0.38 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Thread Diameter | 18.000 |
| Mounting Bracket Included | No |
| Product line | Direct Fit 5-Wire A/F Sensor |
| Fits | Audi · 6 vehicles |
Direct-fit design. Specific-fit replacement for listed applications with OE-style form and function.
Heated sensor. Helps the sensor reach operating temperature quickly for stable signal output.
OE-tested quality. Manufactured and tested to meet or exceed original-equipment specifications.
Cross-references BBB Industries 17480, Bosch 17151 and Bosch 17182 for the same application. See all 17.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Air/Fuel Ratio Sensor
NTK 24323 is a specific-fit heated air/fuel ratio sensor built for upstream applications that require a 5-wire design. It is engineered for precise signal control and OE-style fitment, with coverage for select Audi performance and luxury models.
Key Features
- Direct Fit 5-Wire A/F Sensor for specific applications
- Heated sensor design for faster operating readiness
- 35.5 wiring harness length for application-specific routing
- 18.000 thread diameter with 0.38 thread length
- Mounting bracket not included
Detailed Description
NTK 24323 is part of the Direct Fit 5-Wire A/F Sensor line, a product line focused on application-specific replacement sensors with OE-style fit, form, and function. NTK draws on its oxygen-sensor manufacturing expertise and ceramic technology to produce sensors that meet demanding original-equipment standards. This part number is used in upstream locations on select Audi TT RS Quattro and Audi S6 applications, including Bank 1 Sensor 1 coverage where specified.
For buyers searching for an Audi TT RS Quattro upstream air/fuel ratio sensor or an Audi S6 upstream oxygen sensor replacement, NTK 24323 provides a direct-fit solution with the correct connector and sensor configuration for the listed applications. This part cross-references Bosch (e.g., 17151, 17182) for the same application.
What It Is Used For
- Replacing a worn or slow-responding upstream air/fuel ratio sensor
- Restoring accurate exhaust feedback for engine management
- Addressing sensor fault codes related to mixture control
- Correcting drivability issues tied to inaccurate oxygen sensing
- Supporting proper fuel trim control on listed Audi applications
Installation Notes and Tips
Verify the vehicle’s year, model, engine configuration, and sensor position before ordering. This sensor is specific fit, so connector style, thread size, and harness length should match the original unit. Use the fitment notes for Bank 1 Sensor 1 and cylinder-specific coverage where listed.
Quality Assurance
NTK states that its oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand is part of NGK and is recognized as a major original-equipment oxygen sensor supplier.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Audi | TT RS Quattro | 2.5L | L5 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 5-Wire A/F Sensor |
| 2012 | Audi | TT RS Quattro | 2.5L | L5 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 5-Wire A/F Sensor |
| 2011 | Audi | S6 | 5.2L | V10 | Upstream | Cyls. 4, 5; B2S1; OE Equivalent Design; Direct Fit 5-Wire A/F Sensor |
| 2010 | Audi | S6 | 5.2L | V10 | Upstream | Cyls. 4, 5; B2S1; OE Equivalent Design; Direct Fit 5-Wire A/F Sensor |
| 2009 | Audi | S6 | 5.2L | V10 | Upstream | Cyls. 4, 5; B2S1; OE Equivalent Design; Direct Fit 5-Wire A/F Sensor |
| 2008 | Audi | S6 | 5.2L | V10 | Upstream | Cyls. 4, 5; B2S1; OE Equivalent Design; Direct Fit 5-Wire A/F Sensor |
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