Walker 350-34371 Oxygen Sensor - Upstream

Overview of Walker 350-34371 Oxygen Sensor for Nissan 200SX

The Walker 350-34371 oxygen sensor is designed specifically for the Nissan 200SX, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Nissan 200SX models
• 43.23-inch wiring harness length for flexible placement
• 20-gauge wire with 4-wire configuration
• Threaded mounting with 12.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 46.77 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34371) is engineered to meet the exact specifications required by Nissan 200SX vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a 20-gauge wire gauge measurement, providing durability and consistent signal transmission. The wiring harness length of 43.23 inches and overall length of 46.77 inches offer sufficient reach for installation without modification. The sensor mounts via a threaded connection with a 12.0 mm diameter, ensuring a secure and leak-free fit. The radiused polygon male connector is designed for a precise and stable electrical connection, minimizing the risk of disconnection or signal loss.

Walker Products Aftermarket Brand Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing Nissan 200SX owners with a sensor that supports proper engine management and emissions compliance. Walker Products Aftermarket parts are designed for direct fitment and long-term durability, making them suitable replacements for factory-installed sensors.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation
• Reduces excessive fuel consumption caused by faulty sensors
• Prevents check engine light related to oxygen sensor faults
• Supports emissions system compliance and reduces harmful exhaust gases

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify connector type matches the vehicle harness (radiused polygon male)
• Do not over-tighten the sensor; torque to manufacturer specifications
• Inspect wiring harness for damage before installation

Quality Assurance and Warranty

The Walker 350-34371 oxygen sensor is manufactured to meet strict quality standards for emission control sensors. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship. This ensures reliability and peace of mind when replacing the oxygen sensor on your Nissan 200SX.