NTK 25069 Oxygen Sensor - Upstream Left or Upstream Right

Overview of NTK Direct Fit Oxygen Sensor 25069

The NTK Direct Fit Oxygen Sensor 25069 is designed specifically for Hyundai and Kia vehicles, including the Santa Fe, Sportage, and Tucson models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the engine control unit.

• Heated oxygen sensor for faster response times
• Specific fit for Hyundai Santa Fe, Kia Sportage, and Tucson
• Threaded mounting type with 18mm thread diameter
• 17-inch wiring harness length with 4 wires for reliable connectivity
• Part number 25069 for exact replacement

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors that match OEM specifications. This product line focuses on direct fitment, eliminating the need for modifications during installation. The 25069 sensor maintains the integrity of the vehicle’s emission system by using a heated sensor element and a threaded mounting design, ensuring compatibility and durability for Hyundai and Kia models.

Technical Description and Features

This oxygen sensor features a heated sensor type that allows it to reach operating temperature quickly, improving emission control efficiency. The 17-inch wiring harness length provides sufficient reach for installation without excess slack. With four wires, the sensor supports both the heater circuit and signal transmission. The 18mm threaded mounting type ensures a secure and leak-free fit in the exhaust system. Designed specifically for Hyundai Santa Fe, Kia Sportage, and Tucson, this sensor meets the exact specifications required for proper engine management and emissions compliance.

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
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by providing accurate data

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify wiring harness length and connector compatibility before installation
• Do not over-tighten the sensor; follow manufacturer torque specifications
• Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The Direct Fit Oxygen Sensor 25069 undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.