Walker 250-24625 Oxygen Sensor - Downstream

Overview of Walker 250-24625 Oxygen Sensor for Mercedes-Benz S320

The Walker 250-24625 oxygen sensor is designed specifically for the Mercedes-Benz S320, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• 15.08-inch wiring harness length for flexible placement
• 20 gauge wire measurement for durability and signal integrity
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for specific fitment
• Overall length of 18.62 inches for proper sensor positioning

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24625) is engineered to meet the exact specifications of the Mercedes-Benz S320. The heated sensor type allows for faster warm-up times, improving emission control efficiency shortly after engine start. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation. The wiring harness length of 15.08 inches provides sufficient reach for installation without excess slack. The 20 gauge wire measurement balances flexibility and durability, while the radiused polygon female connector ensures a secure and precise connection. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement in the factory sensor location.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory standards. This oxygen sensor is part of that line, providing a direct fit and reliable performance for the Mercedes-Benz S320. Using a Walker Products OE sensor helps maintain the vehicle’s emission system integrity and supports compliance with environmental regulations.

Common Applications and Problem Resolution

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 250-24625 oxygen sensor on a Mercedes-Benz S320, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the connector type matches the vehicle harness before installation. Avoid twisting or damaging the wiring harness during installation. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. This part number 250-24625 undergoes rigorous testing to ensure compatibility and reliability with the Mercedes-Benz S320. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.