Walker 250-24038 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-24038

The Walker Products OE Oxygen Sensor 250-24038 is designed specifically for select Mercedes-Benz models, including the 300E, 500SL, and S600. 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 various Mercedes-Benz models
• 11.34-inch wiring harness length for proper installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• 20 gauge wire for reliable signal transmission
• Overall length of 14.88 inches for compatibility

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor type, which allows it to reach operating temperature quickly, improving emissions control during cold starts. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate and stable readings. The wiring harness length of 11.34 inches provides sufficient reach for proper routing in the engine bay. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon female connector is designed to match the original equipment specifications, facilitating a direct replacement without modification.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Using a Walker Products OE sensor helps maintain the integrity of your Mercedes-Benz’s emissions system and supports compliance with environmental regulations.

Compatible Mercedes-Benz Models and Applications

This oxygen sensor 250-24038 is compatible with a range of Mercedes-Benz vehicles, including but not limited to the 300E, 300SE, 400E, 500E, 600SEL, C36 AMG, E420, S320, SL500, and others. It is designed for specific fitment, ensuring proper function and ease of installation on these models.

• Helps resolve rough idling and engine hesitation
• Addresses increased fuel consumption issues
• Corrects check engine light triggers related to oxygen sensor faults
• Improves emissions system performance and reduces exhaust pollutants
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24038, ensure the engine and exhaust system are 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 matches the vehicle’s wiring harness before installation. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow vehicle-specific service manual instructions for torque specifications and sensor location.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed original equipment standards. This part undergoes rigorous testing to ensure durability and reliable performance in emission control applications. While specific warranty details may vary, Walker typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms related to part number 250-24038.