Walker 250-25093 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 250-25093 Oxygen Sensor for Mercedes-Benz

The Walker 250-25093 oxygen sensor is designed specifically for Mercedes-Benz SLK55 AMG and SLK350 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster response times
• Specific fit for Mercedes-Benz SLK55 AMG and SLK350
• 25.12-inch wiring harness length for flexible installation
• 20 gauge wire measurement with 5 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 28.66 inches for proper fitment

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-25093 oxygen sensor is part of this line, ensuring compatibility and performance tailored to the exact requirements of Mercedes-Benz vehicles. This product line emphasizes precision manufacturing and durability to maintain emission standards and engine efficiency.

Product Description and Attributes

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel mixture adjustments and reducing emissions. The 25.12-inch wiring harness length provides ample reach for installation in the engine bay, while the 20 gauge wire and 5-wire configuration support accurate data transmission. The radiused polygon male connector ensures a secure and corrosion-resistant connection. Threaded mounting with an 18.0 mm diameter allows for straightforward replacement and a tight seal to prevent exhaust leaks. The overall length of 28.66 inches is designed to fit precisely in the exhaust system of the specified Mercedes-Benz models.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Mercedes-Benz SLK55 AMG and SLK350
• Helps resolve rough idling and engine hesitation caused by faulty oxygen sensors
• Reduces increased emissions and failed emissions tests
• Improves fuel economy by providing accurate exhaust gas readings
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with Mercedes-Benz SLK55 AMG or SLK350 before installation
• Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting
• Check connector shape and gender to match the existing wiring harness
• Handle the sensor carefully to avoid contamination of the sensing element
• Verify secure connection of the radiused polygon male connector for reliable operation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-25093 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mercedes-Benz SLK55 AMG and SLK350 vehicles.