Walker 350-34311 Oxygen Sensor - Upstream

Overview of Walker 350-34311 Oxygen Sensor for Volkswagen Passat

The Walker 350-34311 oxygen sensor is designed specifically for Volkswagen Passat models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Volkswagen Passat
• 23.74-inch wiring harness length for flexible placement
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• 20 gauge wire for durability and signal integrity
• Overall length of 27.28 inches for optimal fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34311) is engineered to meet the exact specifications required by Volkswagen Passat vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 4-wire setup with 20 gauge wiring, ensuring accurate signal transmission and durability under various operating conditions. The wiring harness length of 23.74 inches and overall length of 27.28 inches provide sufficient reach for installation without excess slack. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with the Passat’s exhaust system. The connector features a radiused polygon shape and male gender, designed for a secure and precise fit.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications like the Volkswagen Passat. The product line emphasizes quality construction and fitment accuracy to support emission compliance and engine performance.

Common Applications and Issues Addressed

• Maintains proper air-fuel mixture for efficient combustion
• Helps reduce harmful exhaust emissions
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers related to sensor failure
• Supports fuel economy by providing accurate sensor data

Installation Notes and Tips

When installing the Walker 350-34311 oxygen sensor on a Volkswagen Passat, ensure the sensor threads are clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Confirm the connector matches the vehicle’s wiring harness to avoid connection issues. Proper torque should be applied to the threaded mounting to prevent leaks or damage. It is advisable to disconnect the battery before installation to avoid electrical shorts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34311 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for Volkswagen Passat owners requiring emission control sensor replacements.