NTK 25619 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 25619

The NTK Direct Fit Oxygen Sensor 25619 is designed specifically for select Jaguar and Volvo models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 34.5-inch wiring harness for straightforward installation.

• Heated oxygen sensor for faster response times
• Specific fit for Jaguar and Volvo vehicles
• Threaded mounting with 18mm thread diameter
• Four-wire configuration for accurate signal transmission
• 34.5-inch wiring harness length for flexible installation

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25619 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors tailored to specific vehicle makes and models. This ensures compatibility and reduces installation time compared to universal sensors. The heated sensor type accelerates the sensor’s readiness after engine start, improving fuel efficiency and emissions control. With a threaded mounting type and an 18mm thread diameter, this sensor securely fits into the exhaust system of compatible vehicles. The four-wire design supports both the sensor signal and the heating element, while the 34.5-inch wiring harness length offers sufficient reach for proper connection without modification.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Jaguar and Volvo models, including the Jaguar XF, XFR, XJ, XK, XKR, and XKR-S, as well as Volvo S40, S60, S80, V50, V70, and XC90. It is designed to maintain proper air-fuel mixture readings and reduce harmful emissions in these vehicles.

• Helps resolve rough idling and engine hesitation
• Addresses increased fuel consumption issues
• Corrects check engine light triggers related to oxygen sensor faults
• Improves emission test performance
• Prevents catalytic converter damage due to incorrect air-fuel ratios

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 25619, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the thread diameter matches the exhaust port (18mm) and confirm the wiring harness length (34.5 inches) is sufficient for your vehicle’s routing. Avoid damaging the sensor wiring during installation and connect the four wires according to the vehicle’s wiring diagram.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The Direct Fit Oxygen Sensor line undergoes rigorous testing for fit, form, and function. While specific warranty details for part number 25619 should be confirmed with the distributor, NTK typically offers a limited warranty covering defects in materials and workmanship.