NTK 25190 Oxygen Sensor - Downstream

Overview of NTK Direct Fit Oxygen Sensor 25190

The NTK Direct Fit Oxygen Sensor 25190 is designed for precise emission control in select Chevrolet, Pontiac, and Suzuki vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for Chevrolet Aveo, Aveo5, Pontiac Wave, Wave5, and Suzuki Swift+
• 12-inch wiring harness length for convenient installation
• Four-wire configuration for reliable signal transmission
• Threaded mounting with 18mm thread diameter for secure fit

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25190 is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor’s four-wire design supports both the heater circuit and signal output, ensuring consistent performance. With a 12-inch wiring harness, this sensor offers sufficient length for straightforward connection without excess slack. The 18mm threaded mounting type guarantees a secure and leak-free installation in the exhaust system.

The Direct Fit Oxygen Sensor product line by NTK focuses on delivering sensors tailored to specific vehicle applications, eliminating the need for modifications or adapters. This ensures compatibility and simplifies replacement for models like the Chevrolet Aveo and Pontiac Wave series, as well as the Suzuki Swift+.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper combustion
• Corrects engine performance issues caused by faulty sensor signals
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded installation
• Verify wiring harness length and connector compatibility before installation
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Clear diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25190 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.