NTK 25193 Oxygen Sensor - Downstream or Upstream

Overview of NTK Direct Fit Oxygen Sensor 25193

The NTK Direct Fit Oxygen Sensor 25193 is designed specifically for Saturn Astra models, ensuring precise compatibility and reliable performance. This heated oxygen sensor features a threaded mounting type and a wiring harness length of 18.5 inches, making it a direct replacement for your vehicle's emission control system.

• Heated oxygen sensor for faster response times
• Specific fit for Saturn Astra vehicles
• Threaded mounting type with 18mm thread diameter
• 18.5-inch wiring harness length for optimal installation
• Four-wire configuration for accurate sensor operation

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 25193 is engineered to meet the exact specifications required by Saturn Astra models. Its heated sensor type allows for quicker warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The sensor’s 18mm threaded mounting ensures a secure and proper fit, while the 18.5-inch wiring harness length provides sufficient reach for straightforward installation. With four wires, this sensor supports both the heating element and signal transmission, maintaining accurate oxygen level readings for the engine control unit.

The Direct Fit Oxygen Sensor product line by NTK focuses on delivering sensors that match OEM specifications for specific vehicle makes and models. This approach minimizes installation complexity and ensures reliable operation within the vehicle’s emission control system.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Saturn Astra
• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Reduces engine performance issues related to oxygen sensor malfunction
• Assists in passing emissions tests by maintaining proper exhaust gas monitoring
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18mm threaded sensor to prevent damage
• Verify wiring connections match the four-wire configuration of the sensor
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

NTK oxygen sensors, including the Direct Fit Oxygen Sensor 25193, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship. This ensures that the sensor maintains reliable operation throughout its service life when installed according to manufacturer guidelines.