Walker 350-34137 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor 350-34137 for Volkswagen Passat

The Walker 350-34137 oxygen sensor is designed specifically for Volkswagen Passat models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Volkswagen Passat vehicles
• 32.4-inch wiring harness length with 20-gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 35.94 inches for proper placement

Detailed Product Features and Specifications

The Walker Products Aftermarket 350-34137 oxygen sensor is engineered to meet the exact specifications required by Volkswagen Passat models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The wiring harness length of 32.4 inches and 20-gauge wire ensure reliable electrical connections. Featuring a four-wire design, this sensor provides accurate signal transmission to the engine control unit. The connector is a radiused polygon shape with a male gender, designed for a secure and precise fit. The sensor mounts via a threaded connection with an 18.0 mm diameter, and the overall length of 35.94 inches supports proper installation within the exhaust system.

Walker Products Aftermarket Line Information

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable and durable sensors that maintain vehicle emissions compliance. The 350-34137 oxygen sensor is part of this line, providing a specific fit and quality construction tailored for Volkswagen Passat models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34137 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot exhaust components or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34137 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for Volkswagen Passat emission control systems.