Walker 350-34435 Oxygen Sensor - Upstream

Overview of Walker 350-34435 Oxygen Sensor for Toyota Pickup

The Walker 350-34435 oxygen sensor is designed specifically for Toyota Pickup models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a flange mount and a radiused polygon male connector for secure installation and reliable operation.

• Heated oxygen sensor with flange mount design
• Specific fit for Toyota Pickup vehicles
• 17.44-inch wiring harness length with 4 wires
• 20-gauge wire measurement for durability
• Radiused polygon male connector for secure connection
• 18.0 mm thread diameter and 20.98-inch overall length

Detailed Product Description

The Walker 350-34435 oxygen sensor is engineered to meet the emission control requirements of Toyota Pickup vehicles. It features a heated sensor element that helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 17.44-inch wiring harness with four 20-gauge wires, providing reliable electrical connectivity. Its radiused polygon male connector ensures a precise and secure fit, minimizing the risk of disconnection or signal loss. The flange mount type and 18.0 mm thread diameter allow for straightforward installation in the designated exhaust port. With an overall length of 20.98 inches, this sensor fits perfectly within the exhaust system layout of the Toyota Pickup.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The product line emphasizes compatibility and durability, offering specific-fit sensors like the 350-34435 to maintain proper engine management and emissions compliance for vehicles such as the Toyota Pickup.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces exhaust emissions by ensuring proper air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and responsiveness

Installation Notes and Tips

When installing the Walker 350-34435 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct flange mount location on the Toyota Pickup exhaust system and verify the 18.0 mm thread diameter matches the mounting port. Connect the radiused polygon male connector securely to prevent electrical issues. Avoid over-tightening to prevent damage to the sensor or exhaust components. It is recommended to use anti-seize compound on the threads if reusing the sensor or installing a new one.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors, including part number 350-34435, are manufactured to meet stringent quality standards for emission control components. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in Toyota Pickup vehicles.