Walker 350-34740 Oxygen Sensor - Downstream Left

Overview of Walker Oxygen Sensor 350-34740 for Audi A8 Quattro

The Walker 350-34740 oxygen sensor is designed specifically for the Audi A8 Quattro, providing precise emission control through accurate air-fuel mixture monitoring. This heated oxygen sensor ensures reliable performance and compatibility with your vehicle's emission system.

• Heated oxygen sensor type for faster response times
• Specific fit for Audi A8 Quattro models
• Threaded mounting type with 18.0 mm thread diameter
• 13.38 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 16.73 inches for proper installation

Detailed Features and Specifications

This Walker oxygen sensor (part number 350-34740) is engineered with a heated sensor element to reduce warm-up time, improving emission control efficiency. The sensor features a 4-wire configuration with 20 gauge wires, ensuring stable electrical signals and durability. Its 13.38-inch wiring harness length and radiused polygon male connector provide a precise fit and secure connection tailored for the Audi A8 Quattro. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sealing within the exhaust system.

Walker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering components that meet or exceed OEM specifications. This product line emphasizes compatibility and performance for specific vehicle applications, such as the Audi A8 Quattro, ensuring that each sensor integrates seamlessly with the vehicle's existing systems.

Applications and Problem Resolution

• Maintains accurate air-fuel ratio readings for optimal engine performance
• Helps reduce harmful emissions by providing precise feedback to the engine control unit
• Addresses issues related to poor fuel economy caused by faulty oxygen sensors
• Prevents engine hesitation and rough idling linked to sensor malfunctions
• Supports compliance with emission regulations by ensuring sensor reliability

Installation Notes and Tips

When installing the Walker 350-34740 oxygen sensor on your Audi A8 Quattro, ensure the threaded mounting hole is clean and free of debris. Use appropriate anti-seize compound on the threads to facilitate future removal. Verify the connector orientation matches the radiused polygon male connector for a secure fit. It is recommended to disconnect the vehicle battery before installation to avoid electrical shorts. After installation, clear any diagnostic trouble codes and perform a system check to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet industry standards for durability and performance. The 350-34740 sensor is manufactured to provide consistent and reliable operation within the emission control system of the Audi A8 Quattro. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship, supporting long-term vehicle emission compliance.