Walker 350-33021 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-33021 for Infiniti G20

The Walker 350-33021 oxygen sensor is designed specifically for the Infiniti G20, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor for accurate emissions readings
• Specific fit for Infiniti G20 models
• Threaded mounting with 12.0 mm thread diameter
• 13.31 inches wiring harness length with 3 wires of 20 gauge
• Radiused polygon female connector for reliable connection
• Overall length of 16.85 inches for proper fitment

Detailed Product Description

The Walker 350-33021 oxygen sensor is engineered to meet the exact specifications required by the Infiniti G20. It features a heated sensor element that helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 13.31-inch wiring harness with three 20-gauge wires, ensuring proper electrical connectivity. Its radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of disconnection or signal loss. The threaded mounting type with a 12.0 mm diameter allows for straightforward installation in the vehicle’s exhaust system. With an overall length of 16.85 inches, this sensor fits perfectly within the designated space in the Infiniti G20.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The product line emphasizes compatibility and quality, ensuring that parts like the 350-33021 oxygen sensor meet or exceed OEM standards for fit and function in vehicles such as the Infiniti G20.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for engine performance
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine misfires caused by faulty sensor readings
• Improves fuel economy by enabling efficient combustion
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-33021 oxygen sensor on an Infiniti G20, ensure the sensor is threaded securely into the exhaust manifold or pipe without cross-threading. Verify the wiring harness length of 13.31 inches is sufficient for your vehicle’s routing and that the radiused polygon female connector mates properly with the vehicle’s harness. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm all electrical connections are tight and free of corrosion before completing installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors, including part number 350-33021, are manufactured to meet stringent quality standards. Each sensor undergoes testing to ensure reliable performance and durability under normal operating conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in the Infiniti G20.