Walker 250-241142 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 250-241142 Oxygen Sensor for Audi and Volkswagen

The Walker 250-241142 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A3, Golf, Passat, and more. 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 design for reliable operation
• Specific fit for Audi and Volkswagen models such as A3, Golf, Passat, and TT Quattro
• 27.55-inch wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall sensor length of 30.51 inches for proper fitment

Detailed Product Description

The Walker 250-241142 oxygen sensor is a heated sensor designed to provide accurate and timely feedback on exhaust oxygen levels. Featuring a 4-wire configuration, it includes both sensor and heater circuits to ensure rapid sensor warm-up and consistent performance under various operating conditions. The sensor’s 27.55-inch wiring harness length and radiused polygon male connector facilitate straightforward installation and compatibility with factory wiring harnesses. Its threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. This oxygen sensor is engineered for specific fitment on Audi and Volkswagen vehicles, including models like the A3 Quattro, Golf R, Passat, and TT Quattro, making it a reliable replacement part for emission control systems.

Walker Products OE Brand Line

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that components like the 250-241142 oxygen sensor maintain the performance and durability expected by Audi and Volkswagen manufacturers, supporting proper emissions control and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper sensor function
• Prevents engine performance issues caused by faulty oxygen sensors
• Supports smooth engine idling and acceleration by providing correct sensor data

Installation Notes and Tips

When installing the Walker 250-241142 oxygen sensor, ensure the vehicle is compatible with this specific part number. The 4-wire heated sensor requires proper connection of both sensor and heater wires. Use appropriate tools to remove the old sensor and thread the new sensor securely without over-tightening. Verify the radiused polygon male connector aligns correctly with the vehicle’s wiring harness to avoid connection issues. It is recommended to inspect the wiring harness for damage before installation.

Quality Assurance and Warranty

Walker oxygen sensors, including the 250-241142, are manufactured to meet stringent quality standards for durability and performance. The Walker Products OE line is designed to match original equipment specifications, ensuring reliable operation. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region or distributor.