Walker 350-35074 Oxygen Sensor - Upstream Left

Overview of Walker Oxygen Sensor for Audi Q7

The Walker 350-35074 oxygen sensor is designed specifically for the Audi Q7, 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 Audi Q7 models
• 48.74-inch wiring harness length for flexible placement
• 20 gauge wire with 5-wire configuration for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 52.28 inches for proper fitment

Detailed Product Description

The Walker 350-35074 oxygen sensor is engineered to meet the emission control requirements of the Audi Q7. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for the engine control unit to adjust fuel mixture efficiently. The sensor’s 5-wire design and 20 gauge wiring ensure consistent electrical performance, while the 48.74-inch wiring harness length allows for convenient routing within the engine bay. The threaded mounting type with an 18.0 mm diameter thread provides a secure and precise fit, minimizing the risk of leaks or sensor movement. The radiused polygon male connector is designed for a reliable and stable electrical connection, reducing the chance of disconnection or corrosion over time.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. Walker Products Aftermarket parts are designed to offer dependable performance and durability, making them suitable for professional repairs and maintenance on vehicles like the Audi Q7.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Audi Q7
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the ECU
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel efficiency by enabling proper combustion control

Installation Notes and Tips

• Ensure the sensor is compatible with your specific Audi Q7 model year before installation
• Use appropriate tools to avoid damaging the 18.0 mm threaded mounting
• Route the 48.74-inch wiring harness carefully to prevent contact with hot or moving engine parts
• Verify the radiused polygon male connector is fully seated and locked to avoid electrical issues

Quality Assurance and Warranty

The Walker 350-35074 oxygen sensor is manufactured to meet strict quality standards for emission control components. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with coverage against defects in materials and workmanship. Always consult the product documentation or supplier for exact warranty terms.