Walker 250-241159 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 250-241159 Oxygen Sensor

The Walker 250-241159 oxygen sensor is a heated, threaded sensor designed specifically for select Infiniti and Mercedes-Benz models. It features a 17.32-inch wiring harness and a radiused polygon female connector, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor for faster response times
• Specific fit for Infiniti and Mercedes-Benz vehicles
• 17.32-inch wiring harness length for optimal installation
• Threaded mounting type with 18.0 mm thread diameter
• Four-wire design with 20 gauge wire for durability
• Radiused polygon female connector for secure connection
• Overall length of 19.68 inches for proper placement

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-241159) is engineered to meet the exact specifications of various Infiniti and Mercedes-Benz models, including the Infiniti Q50, Q60, and Mercedes-Benz C300, C350e, E300, GLC300, GLC350e, Maybach S680, SL65 AMG, SLC300, SLK300, and Sprinter 1500/2500. The heated sensor type allows for quicker activation and improved emission control, which is critical for maintaining engine efficiency and reducing harmful exhaust emissions.

The sensor’s 17.32-inch wiring harness and four-wire configuration with 20 gauge wire ensure a robust electrical connection, while the radiused polygon female connector provides a secure and precise fit. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and reliable sensor positioning within the exhaust system.

Walker Products OE Brand Line

Walker Products OE is a product line focused on delivering original equipment quality and fitment. This oxygen sensor is part of that line, designed to meet or exceed OEM standards for performance and durability. Using Walker Products OE parts helps maintain the integrity of your vehicle’s emission control system by providing components that match factory specifications.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring correct sensor feedback
• Reduces emissions by maintaining optimal combustion conditions
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Walker 250-241159 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness and that the sensor is tightened to the manufacturer’s torque specifications. The 17.32-inch wiring harness length provides flexibility for routing, but avoid sharp bends or contact with hot exhaust components to prevent damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and longevity. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports vehicle performance.