Walker 350-34351 Oxygen Sensor - Upstream

Overview of Walker 350-34351 Oxygen Sensor

The Walker 350-34351 oxygen sensor is a heated sensor designed for specific vehicle applications, ensuring precise emission control and optimal engine performance. This sensor features a 36.34-inch wiring harness and a 20-gauge wire measurement, tailored for compatibility with select makes and models.

• Heated oxygen sensor for faster response times
• 36.34-inch wiring harness length for flexible installation
• 20-gauge wire measurement with 4 wires for reliable signal transmission
• Female connector for secure and proper fit
• 18mm thread diameter and 39.88-inch overall length for specific vehicle fitment

Detailed Product Description

The Walker 350-34351 oxygen sensor is part of the Walker Products Aftermarket line, known for providing reliable emission control components designed to meet or exceed OEM specifications. This heated sensor type improves the sensor’s warm-up time, allowing the engine control unit to adjust fuel mixture more efficiently. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The 18mm thread diameter and specific wiring harness length make this sensor suitable for direct replacement in compatible vehicles, including various Ford, Chevrolet, and Toyota models that require this exact specification.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect air-fuel mixture
• Reduces engine hesitation and stalling related to faulty oxygen sensors
• Improves fuel efficiency by providing accurate oxygen level data
• Prevents increased emissions and failed emissions tests
• Eliminates check engine light triggers related to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34351 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket for removal and installation to prevent damage to the sensor or wiring. Verify the connector gender matches the vehicle harness for a secure connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket components undergo rigorous testing to meet industry standards for durability and performance. The 350-34351 oxygen sensor is manufactured to provide consistent operation under various driving conditions. While specific warranty details vary by distributor, Walker typically offers a limited warranty covering defects in materials and workmanship, ensuring confidence in the sensor’s reliability.