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NTK 25558 Oxygen Sensor - Upstream
| Brand | NTK 25558 |
|---|---|
| Position | Upstream |
| Wiring Harness Length | 26.2500 |
| 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 | Volkswagen · 1 vehicle |
Direct fit design. Application-specific replacement for accurate sensor fit and function.
Heated sensor. Helps the sensor reach operating temperature quickly for stable readings.
OE-focused engineering. Built with NTK ceramic sensor expertise and extensive manufacturing testing.
Cross-references Bosch 13584, 75-1885 and 213-3034 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 oxygen sensor 25558 is a direct-fit, heated sensor built for specific applications. It is engineered for threaded installation and uses a 4-wire design with a 26.25-inch harness for proper routing.
- Heated oxygen sensor for faster operating response.
- Specific-fit design for accurate replacement.
- Threaded mounting with 18 mm thread diameter.
- 26.25-inch wiring harness for application-specific reach.
Fitment Details
Fits 1995 Volkswagen Passat, upstream. This part cross-references Bosch 13584 for the same application.
NTK 25558 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific coverage and OE-style replacement fitment. NTK draws on ceramic sensor manufacturing expertise and OE application technology to deliver a sensor that matches the intended form and function for the vehicle.
Common Replacement Issues
- Check engine light related to oxygen sensor performance.
- Incorrect air-fuel mixture readings.
- Slow sensor response during closed-loop operation.
- Failed emissions testing caused by a worn sensor.
Installation Notes
Use the threaded mounting style and harness length to confirm routing before installation. Verify the upstream location and chassis break note for the Volkswagen Passat application, and match the connector and wire count to the original sensor.
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 the NGK family and is recognized as a major original equipment oxygen sensor supplier.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Volkswagen | Passat | 2.0L | L4 | Upstream | B1S1; To Chassis # 3A-S-202 676; OE Equivalent Design; Direct Fit Oxygen Sensor |
| No rows match your filter. | ||||||