Walker 350-33039 Oxygen Sensor - Downstream Front

Overview of Walker 350-33039 Oxygen Sensor for Nissan Maxima

The Walker 350-33039 oxygen sensor is designed specifically for Nissan Maxima models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings and reliable operation under various driving conditions.

• Heated oxygen sensor with 3-wire design
• Specific fit for Nissan Maxima vehicles
• Threaded mounting type with 12.0 mm thread diameter
• 16.65 inches wiring harness length for optimal installation
• Radiused polygon female connector for secure connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 20.2 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33039) is engineered to meet the exact specifications required by Nissan Maxima models. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for efficient fuel management and emission control. The sensor includes a 3-wire configuration with a radiused polygon female connector, ensuring a secure and reliable electrical connection. Its 16.65-inch wiring harness length and 20.2-inch overall length allow for straightforward installation without the need for modifications. The threaded mounting type with a 12.0 mm diameter thread ensures compatibility with the vehicle’s exhaust system.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on delivering replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide Nissan Maxima owners with a reliable and precise sensor that supports proper engine function and emissions compliance. Walker’s aftermarket sensors are built with quality materials and tested for durability to maintain vehicle performance over time.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for Nissan Maxima
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor feedback to the engine control unit
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining optimal combustion conditions

Installation Notes and Tips

When installing the Walker 350-33039 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 12.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon female shape matches the vehicle harness for a secure fit. Avoid twisting or stretching the wiring harness during installation to maintain sensor integrity. It is recommended to inspect the exhaust threads and clean them before mounting the new sensor.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-33039 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures that the oxygen sensor performs reliably throughout its service life when installed correctly on compatible Nissan Maxima models.