Walker 250-241145 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-241145

The Walker Products OE Oxygen Sensor 250-241145 is designed specifically for select INFINITI and Mercedes-Benz models, including the CLA45 AMG, GLA250, and Maybach S600. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for INFINITI and Mercedes-Benz vehicles
• Threaded mounting type with 18.00 mm thread diameter
• Radiused polygon female connector for secure connection
• Wiring harness length of 10.35 inches and overall length of 13.9 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. The 4-wire design supports both the sensor signal and heater circuit, improving responsiveness and durability. The sensor’s threaded mounting type with an 18.00 mm diameter ensures a secure fit in the exhaust system. The radiused polygon female connector provides a precise and stable electrical connection, reducing the risk of disconnection or signal loss. With a wiring harness length of 10.35 inches and an overall length of 13.9 inches, this sensor is engineered to fit specific vehicle applications without modification.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance tailored to the exact requirements of the vehicles it serves. Using Walker Products OE parts helps maintain factory-level emissions control and engine efficiency.

Compatible Vehicles and Common Applications

• INFINITI QX30 and GLA250 models requiring precise oxygen sensor replacement
• Mercedes-Benz CLA45 AMG, CLA250, GLA45 AMG, and S65 AMG models
• Maybach S600, S650, and S680 luxury vehicles
• Mercedes-Benz Metris and SL65 AMG models

Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance problems related to exhaust gas monitoring
• Failed emissions tests requiring sensor replacement

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use the correct tools to avoid damaging the threaded mounting. Verify the connector type matches the vehicle harness—this sensor uses a radiused polygon female connector. Follow torque specifications to prevent leaks or sensor damage. It is recommended to inspect wiring and connectors for corrosion or damage during installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-241145 undergoes rigorous testing to comply with emissions regulations. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.