Walker 350-341057 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-341057 Oxygen Sensor for Porsche Models

The Walker 350-341057 oxygen sensor is designed specifically for select Porsche vehicles, including the 718 Boxster, 718 Cayman, 911, and Macan. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Porsche 718 Boxster, 718 Cayman, 911, and Macan
• Threaded mounting type with 18.0 mm thread diameter
• 15.55-inch wiring harness length with radiused polygon female connector
• Wire gauge measurement of 20 for reliable electrical conductivity
• Overall length of 19.68 inches for proper installation depth

Detailed Features and Specifications

This Walker oxygen sensor (part number 350-341057) is engineered with a heated sensor element to provide faster warm-up times and more accurate oxygen level detection. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The wiring harness length of 15.55 inches and the radiused polygon female connector are designed to match the factory specifications of Porsche 718 Boxster, 718 Cayman, 911, and Macan models, ensuring a direct fit without modification.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their aftermarket line, providing a reliable replacement option for maintaining emissions compliance and engine efficiency in Porsche vehicles. The product line focuses on precision fitment and durability, supporting proper sensor function and vehicle performance.

Common Applications and Problem Resolution

• Restores accurate air-fuel mixture readings for improved fuel economy
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter operation
• Prevents engine performance problems caused by faulty sensor signals
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

When installing the Walker 350-341057 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the wiring harness length and connector shape match the original sensor to ensure proper electrical connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow manufacturer torque specifications to avoid sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. This part number 350-341057 is manufactured to precise specifications for Porsche 718 Boxster, 718 Cayman, 911, and Macan models. Warranty coverage details should be confirmed with the point of purchase, as Walker typically offers limited warranties on their emission control components.