NTK 24523 Oxygen Sensor - Upstream

Overview of NTK Direct Fit Oxygen Sensor 24523

The NTK Direct Fit Oxygen Sensor 24523 is engineered for precise emission control in select Subaru models. Designed as a heated oxygen sensor with a specific fit, it ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor for faster response times
• Specific fitment for Subaru Forester, Impreza, and Legacy
• Threaded mounting type with 18mm thread diameter
• Three-wire configuration for reliable signal transmission
• 16.75-inch wiring harness length for proper installation

Detailed Product Features and Specifications

This oxygen sensor from NTK features a heated sensor type, which helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor is designed with a threaded mounting type and an 18mm thread diameter, ensuring a secure and precise fit in the exhaust system. With three wires, it supports the necessary electrical connections for heater and signal functions. The wiring harness length of 16.75 inches provides adequate reach for installation without excess slack.

The NTK Direct Fit Oxygen Sensor line focuses on providing sensors that match OEM specifications for direct replacement applications. This ensures compatibility and performance consistency with the original equipment, reducing installation time and potential fitment issues.

Compatible Vehicles and Applications

This oxygen sensor is specifically compatible with the following Subaru models:

• Subaru Forester
• Subaru Impreza
• Subaru Legacy

It is designed to maintain proper emission control and engine management in these vehicles by accurately monitoring oxygen levels in the exhaust gases.

Common Issues Addressed by NTK Oxygen Sensor 24523

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Delayed sensor response affecting engine control unit adjustments

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 24523, ensure the vehicle is 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 16.75 inches is sufficient for your vehicle’s routing. Confirm the sensor’s three-wire configuration matches the vehicle’s connector. Proper torque should be applied to the 18mm threaded sensor to prevent leaks or damage.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The Direct Fit Oxygen Sensor line is designed for durability and reliable performance in emission control systems. While specific warranty details for part number 24523 should be confirmed with the supplier, NTK typically offers coverage against manufacturing defects to ensure customer confidence.