Walker 350-34219 Oxygen Sensor - Downstream Left

Overview of Walker Oxygen Sensor 350-34219 for Audi TT Quattro

The Walker 350-34219 oxygen sensor is designed specifically for the Audi TT Quattro, 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 TT Quattro models
• 35.94-inch wiring harness length with 4 wires
• 22 gauge wire thickness for durability and signal integrity
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 39.49 inches for proper placement

Detailed Features and Specifications

The Walker Products Aftermarket line offers reliable emission control components, including this oxygen sensor tailored for the Audi TT Quattro. The 350-34219 sensor is a heated type, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes a 35.94-inch wiring harness with four 22-gauge wires, providing stable electrical signals to the engine control unit. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a precise and secure connection, minimizing the risk of electrical faults.

Applications and Problem Resolution

• Monitors oxygen levels in exhaust gases for optimal air-fuel mixture
• Helps reduce harmful emissions by providing accurate feedback to the ECU
• Addresses issues such as poor fuel economy and rough idling
• Prevents check engine light triggers related to oxygen sensor faults
• Supports compliance with emission regulations for Audi TT Quattro vehicles

Installation Notes and Tips

When installing the Walker 350-34219 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle’s wiring harness before installation. Properly route the wiring harness to prevent contact with hot exhaust components or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 350-34219 are not provided here, Walker typically offers coverage against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.