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NTK 25629 Air / Fuel Ratio Sensor - Upstream
| Brand | NTK 25629 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 24.8 |
| 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 | Volvo · 4 vehicles |
Direct-fit design. Specific replacement for the listed application with correct sensor configuration.
Heated 4-wire sensor. Built for fast response and stable signal delivery in emission control use.
OE-focused testing. Manufactured to meet or exceed original equipment specifications.
Cross-references Bosch 13626, DENSO Auto Parts 234-9019 and 75-3362 for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Air/Fuel Ratio Sensor
NTK 25629 is a specific-fit, heated air/fuel ratio sensor built for precise replacement in import applications. It is a 4-wire sensor with an 18 mm thread diameter and a 24.8-inch wiring harness for the listed fitments.
Key Features
- Specific-fit design for direct replacement on the listed applications
- Heated sensor construction for faster operating response
- 4-wire configuration for accurate signal delivery
- 18 mm thread diameter and 0.38-inch thread length
- 24.8-inch wiring harness length for proper routing
- Mounting bracket not included
Detailed Description
NTK 25629 is a direct-fit air/fuel ratio sensor from NTK's Direct Fit 4-Wire A/F Sensor line. It is engineered for the listed Volvo S60 and Volvo V70 applications, where the upstream Bank 1 Sensor 1 location requires a specific replacement sensor with the correct connector and harness length. NTK's sensor manufacturing background and OE-focused testing support consistent fit, form, and function for these applications. This part cross-references Bosch 13626 and DENSO Auto Parts 234-9019 for the same application.
Fits 2001-2002 Volvo S60, upstream. Fits 2001-2002 Volvo V70, upstream.
What It Is Used For
- Replacing a worn or slow-responding air/fuel ratio sensor
- Restoring accurate upstream exhaust feedback for engine management
- Addressing sensor-related drivability or fuel control faults
- Correcting fitment issues caused by an incorrect universal sensor
- Replacing a damaged harness or connector on the specified application
Installation Notes and Tips
Verify the upstream Bank 1 Sensor 1 location before installation and confirm connector style, thread size, and harness length against the original part. Use the listed specific-fit application data for 2001-2002 Volvo S60 and Volvo V70 models to confirm compatibility before ordering. Part number 25629 should be matched to the vehicle's original sensor configuration.
Quality Assurance
NTK states that its oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand also notes its OE-supplier background and ceramic manufacturing expertise, which support consistent sensor quality and reliability.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Volvo | S60 | 2.4L | L5 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2002 | Volvo | V70 | 2.4L | L5 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2001 | Volvo | S60 | 2.4L | L5 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor |
| 2001 | Volvo | V70 | 2.4L | L5 | 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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