/live/media/NO/NO_25555_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
NTK 25555 Oxygen Sensor - Upstream
| Brand | NTK 25555 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 21.2500 |
| 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 | Volvo · 3 vehicles |
Direct-fit design. Specific-fit oxygen sensor for OE-style replacement and accurate application matching.
Heated 4-wire sensor. Built for stable signal and heater circuit operation in emission control service.
OE-level testing. Manufactured and tested to meet or exceed original equipment specifications.
Cross-references Bosch 13373, DENSO Auto Parts 234-4182 and 75-1892 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 Direct Fit Oxygen Sensor 25555 is a specific-fit, threaded oxygen sensor built for direct replacement applications. It uses a heated, 4-wire design with an 18 mm thread diameter and a 21.2500 wiring harness length for a precise installation profile.
Key Features
- Heated oxygen sensor design for accurate exhaust feedback
- Specific-fit replacement for direct application matching
- Threaded mounting type with 18 mm thread diameter
- 4-wire configuration for signal and heater circuit operation
- 21.2500 wiring harness length for proper routing
Detailed Description
NTK 25555 is part of the Direct Fit Oxygen Sensor line, engineered for applications that require OE-style fit, form, and function. NTK is known for oxygen sensor manufacturing and uses ceramic technology control from raw material through finished product. This sensor is built to meet or exceed OE specifications through manufacturing tests that verify quality and reliability. It is a direct-fit oxygen sensor for Volvo 850 upstream applications, including 1993 Volvo 850 upstream and 1994-1995 Volvo 850 upstream. This part cross-references Bosch 13373 and DENSO Auto Parts 234-4182 for the same application.
What It Is Used For
- Replacing a failed upstream oxygen sensor
- Restoring proper air-fuel feedback to the engine control system
- Addressing check engine light concerns related to sensor performance
- Correcting drivability issues caused by inaccurate exhaust oxygen readings
- Replacing a sensor with worn heater or signal circuit performance
Installation Notes and Tips
Compatible With 1993 Volvo 850, upstream, and 1994-1995 Volvo 850, upstream. Verify the threaded mounting style, 4-wire connector layout, and harness length before installation. Use the vehicle’s OE-equivalent application details, including the 1993 chassis note where applicable, to confirm the correct sensor location.
Quality Assurance
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. This sensor is extensively tested during manufacturing to support OE-level quality and reliability.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Volvo | 850 | 2.4L | L5 | Upstream | B1S1; w/o Air Pump; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1994 | Volvo | 850 | 2.4L | L5 | Upstream | B1S1; w/o Air Pump; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1993 | Volvo | 850 | 2.4L | L5 | Upstream | B1S1; From Chassis # 70019; w/o Air Pump; OE Equivalent Design; Direct Fit Oxygen Sensor |
| No rows match your filter. | ||||||