Walker 250-24138 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-24138

The Walker Products OE Oxygen Sensor 250-24138 is designed specifically for select INFINITI and Nissan vehicles, including the 300ZX and Q45 models. 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 with 4-wire configuration
• Specific fit for INFINITI 300ZX and Nissan Q45
• 26.3-inch wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 29.84 inches for proper fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24138) is engineered to meet the exact specifications of your INFINITI 300ZX and Nissan Q45. Featuring a heated sensor type, it allows for faster warm-up times and improved sensor responsiveness under various operating conditions. The sensor includes a 4-wire design, which supports both the sensor signal and the heating element, ensuring consistent performance. The wiring harness length of 26.3 inches provides ample reach for installation, while the 20-gauge wire ensures durability and signal integrity. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with the original equipment mounting points. The radiused polygon female connector is designed for a secure and precise fit, reducing the risk of connection issues.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and reliability for specific vehicle applications. By using OE-grade materials and manufacturing processes, Walker Products OE sensors provide consistent performance and durability tailored to the needs of INFINITI and Nissan vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate sensor data
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by optimizing engine management

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24138, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon female connector aligns properly with the vehicle harness before securing. Avoid twisting or stretching the 26.3-inch wiring harness during installation to maintain wire integrity. It is recommended to clear any diagnostic trouble codes after installation to reset the engine control unit.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and durability. This part number 250-24138 undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor's long-term performance.