Walker 350-33075 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor for Nissan D21 and Pathfinder

The Walker 350-33075 oxygen sensor is designed specifically for Nissan D21 and Pathfinder models. This heated oxygen sensor ensures accurate emissions control by monitoring exhaust gases and providing essential data to the engine management system.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Nissan D21 and Pathfinder vehicles
• 68.43 inches wiring harness length for flexible installation
• Threaded mounting type with 12.0 mm thread diameter
• Radiused polygon male connector for secure connection
• 20 gauge wire for reliable signal transmission
• Overall length of 71.97 inches for proper fitment

Detailed Product Description and Attributes

This Walker oxygen sensor (part number 350-33075) features a heated sensor type that allows for quicker activation and improved performance in emissions monitoring. The sensor includes a 3-wire setup with a radiused polygon male connector, ensuring a precise and secure electrical connection. The wiring harness length of 68.43 inches and overall length of 71.97 inches provide ample reach for installation in Nissan D21 and Pathfinder exhaust systems. The sensor mounts via a threaded design with a 12.0 mm thread diameter, matching OEM specifications for a direct replacement.

Walker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering reliable and vehicle-specific components. This product line emphasizes compatibility and quality to meet the demands of aftermarket repairs and maintenance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for Nissan D21 and Pathfinder models
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing correct air-fuel mixture data
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the Walker 350-33075 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the radiused polygon male shape for a secure fit. Proper routing of the 68.43-inch wiring harness is important to avoid heat damage or interference with moving parts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. This part number 350-33075 undergoes rigorous testing to ensure durability and reliable performance in Nissan D21 and Pathfinder vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.