NTK 23139 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of NTK Direct Fit Oxygen Sensor 23139

The NTK Direct Fit Oxygen Sensor 23139 is designed specifically for select Dodge and Jeep models, including the Grand Cherokee, Liberty, Ram 1500, Ram 2500, Ram 3500, TJ, and Wrangler. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor for faster response times
• Specific fit for Dodge and Jeep models listed
• 18-inch wiring harness length for convenient installation
• Four-wire design for reliable signal transmission
• Threaded mounting type with 18mm thread diameter

Features and Specifications

This NTK oxygen sensor features a heated sensor type that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor comes with a specific fitment, ensuring compatibility with Dodge Grand Cherokee, Jeep Liberty, Ram 1500, Ram 2500, Ram 3500, TJ, and Wrangler models. It includes a four-wire configuration, which supports both the sensor signal and heater circuit. The wiring harness length is 18 inches, providing sufficient length for straightforward installation. The sensor mounts via a threaded connection with an 18mm thread diameter, matching OEM specifications.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is engineered to provide precise replacement parts that match original equipment specifications. This product line focuses on exact fitment and reliable performance, reducing installation time and ensuring proper sensor operation. The 23139 part number is part of this line, designed to meet the specific requirements of Dodge and Jeep vehicles for emission control sensors.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve check engine light issues related to oxygen sensors
• Improves fuel economy by providing correct sensor data
• Reduces harmful emissions by maintaining proper combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the NTK 23139 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length of 18 inches is sufficient for your vehicle’s routing. Thread the sensor into the exhaust bung by hand initially to avoid cross-threading, then tighten to manufacturer torque specifications. The four-wire connector should be securely attached to maintain proper heater and signal function.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 23139 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, providing confidence in the sensor’s long-term functionality.