Walker 350-64061 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor 350-64061 for Nissan Altima

The Walker 350-64061 oxygen sensor is designed specifically for Nissan Altima models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure and accurate installation.

• Wiring harness length: 12.32 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Nissan Altima
• Four-wire configuration
• Radiused polygon male connector shape
• Thread diameter: 18.0 mm
• Overall length: 15.87 inches
• Threaded mounting type for secure fit

Detailed Product Description

This Walker oxygen sensor, part number 350-64061, is engineered to meet the exact specifications required by Nissan Altima vehicles. The heated sensor design allows for quicker warm-up times, improving fuel efficiency and reducing emissions sooner after engine start. The four-wire setup includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation. The 20-gauge wiring and 12.32-inch harness length provide durability and ease of routing within the engine bay. The radiused polygon male connector ensures a secure electrical connection, while the 18.0 mm threaded mounting type allows for straightforward installation in the designated exhaust port.

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 for Nissan Altima owners seeking reliable sensor performance and compatibility. Walker’s aftermarket sensors are designed to integrate seamlessly with vehicle systems, supporting emission compliance and engine management.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Nissan Altima
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers related to sensor failure
• Improves fuel economy by enabling proper engine tuning

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for removal and installation
• Do not over-tighten the 18.0 mm threaded sensor to prevent damage
• Verify connector compatibility with the radiused polygon male plug
• Check wiring harness routing to avoid contact with hot exhaust components

Quality Assurance and Warranty

Walker oxygen sensors, including part number 350-64061, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker Products Aftermarket components typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the sensor’s reliability when installed in compatible Nissan Altima models.