Walker 350-33035 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-33035 Oxygen Sensor for Nissan Vehicles

The Walker 350-33035 oxygen sensor is designed specifically for Nissan 240SX, Pulsar NX, and Sentra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Nissan 240SX, Pulsar NX, and Sentra
• Threaded mounting type with 12.0 mm thread diameter
• 9.17-inch wiring harness length with 20 gauge wire
• Radiused polygon male connector for secure connection
• Overall length of 12.72 inches for proper installation

Walker Products Aftermarket Line Details

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 line emphasizes precise fitment and quality construction to meet or exceed OEM standards, ensuring compatibility and durability for Nissan models like the 240SX, Pulsar NX, and Sentra.

Technical Description and Features

The Walker 350-33035 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved accuracy in measuring oxygen levels in the exhaust stream. The 3-wire design supports both sensor heating and signal transmission. Its 12.0 mm threaded mounting ensures a secure fit in the exhaust system, while the radiused polygon male connector provides a reliable electrical connection. The wiring harness length of 9.17 inches and overall length of 12.72 inches are designed to match the specific routing and installation requirements of compatible Nissan vehicles.

Common Applications and Problem Resolution

• Helps correct engine running issues caused by faulty oxygen sensors
• Reduces emissions by providing accurate air-fuel mixture data
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring proper combustion control
• Supports smooth engine performance and drivability

Installation Notes and Tips

• Ensure the sensor thread and connector match the vehicle’s original equipment
• Use appropriate tools to avoid damaging the 12.0 mm threaded mounting
• Verify wiring harness routing to prevent interference or damage
• Check connector polarity and secure connection to avoid signal issues
• Allow the engine to cool before sensor replacement to prevent burns

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for emission control components. While specific warranty details for part number 350-33035 should be confirmed with the distributor or installer, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in Nissan 240SX, Pulsar NX, and Sentra vehicles.