NTK 25191 Oxygen Sensor - Upstream

Overview of NTK Direct Fit Oxygen Sensor 25191

The NTK Direct Fit Oxygen Sensor 25191 is designed specifically for Suzuki Verona models, ensuring precise compatibility and reliable performance. This heated oxygen sensor features a threaded mounting type and a 15.75-inch wiring harness length for straightforward installation.

• Heated oxygen sensor for faster response times
• Specific fit for Suzuki Verona vehicles
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for accurate signal transmission
• 15.75-inch wiring harness length for optimal routing

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25191 is engineered to meet the exact specifications of Suzuki Verona models. As part of the Direct Fit Oxygen Sensor line, this sensor is designed to replace the original equipment sensor without modification, providing a precise fit and reliable operation. The heated sensor type accelerates the sensor’s warm-up time, improving fuel efficiency and emissions control shortly after engine start. Featuring a threaded mounting type with an 18mm diameter, it ensures secure installation in the exhaust system. The four-wire design supports both the sensor signal and heater circuit, while the 15.75-inch wiring harness length allows for proper connection without excess slack or strain.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for optimal engine performance
• Helps resolve rough idling caused by faulty oxygen sensors
• Reduces increased emissions and failed emissions tests
• Improves fuel economy by providing precise feedback to the engine control unit
• Eliminates check engine light codes related to oxygen sensor malfunction

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 25191 on a Suzuki Verona, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length of 15.75 inches is sufficient for your vehicle’s routing needs. Confirm the four-wire connector matches the vehicle’s harness to ensure proper electrical connection. Follow torque specifications recommended by the vehicle manufacturer for secure installation.

Quality Assurance and Warranty

NTK’s Direct Fit Oxygen Sensor line is manufactured to meet OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure accurate readings and reliable heater operation. The NTK Direct Fit Oxygen Sensor 25191 is backed by a limited warranty, providing confidence in its quality and longevity when installed in compatible Suzuki Verona vehicles.