Walker 350-34112 Oxygen Sensor

Overview of Walker 350-34112 Oxygen Sensor

The Walker 350-34112 oxygen sensor is designed specifically for select Audi, Porsche, and Volkswagen models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Audi A3, A4, A4 Quattro, A6 Quattro, and more
• 29.06-inch wiring harness length with 22 gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Overall length of 32.6 inches for proper installation depth

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34112) is engineered to meet the exact specifications of various Audi, Porsche, and Volkswagen vehicles, including models such as the Beetle, Cayenne, Jetta, Passat, and Touareg. The sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control during cold starts. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance.

The wiring harness length of 29.06 inches and 22 gauge wire provide a balance of flexibility and durability, while the radiused polygon male connector ensures a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sensor positioning within the exhaust system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution designed to maintain factory performance and emissions compliance for specific vehicle applications.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

• Ensure vehicle compatibility with the specific fitment list before installation
• Use proper tools to avoid damaging the threaded sensor or connector
• Check wiring harness routing to prevent contact with hot exhaust components
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Verify connector engagement to avoid electrical faults

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34112 should be confirmed with the distributor or installer, Walker typically offers coverage against defects in materials and workmanship to ensure reliable long-term operation.