Walker 350-34008 Oxygen Sensor - Downstream

Overview of Walker 350-34008 Oxygen Sensor for Toyota Tacoma

The Walker 350-34008 oxygen sensor is designed specifically for Toyota Tacoma 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 4-wire configuration
• Specific fit for Toyota Tacoma vehicles
• 29.06-inch wiring harness length for flexible installation
• 20 gauge wire for durability and signal integrity
• Flange mount with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 32.6 inches

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34008) is engineered to meet the exact specifications required by Toyota Tacoma models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 29.06 inches provides ample reach for installation in the engine bay, while the 20 gauge wire ensures durability and resistance to electrical interference.

The sensor mounts via a flange mount with an 18.0 mm thread diameter, compatible with the factory mounting location on the Tacoma. The connector features a radiused polygon shape with a male gender, designed for a secure and precise fit with the vehicle’s wiring harness. The overall length of 32.6 inches allows for proper routing and connection without strain.

Walker Products Aftermarket is a product line focused on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution that supports emission compliance and engine management systems in Toyota Tacoma vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light codes related to oxygen sensor failure
• Improves fuel economy by providing precise feedback to the engine control unit
• Reduces harmful emissions by ensuring efficient combustion
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before installation to avoid burns
• Use appropriate tools to avoid damaging the flange mount or wiring harness
• Verify connector orientation matches the radiused polygon male connector on the vehicle
• Check thread diameter compatibility (18.0 mm) before installation
• Follow vehicle manufacturer torque specifications for sensor mounting

Quality Assurance and Warranty

The Walker 350-34008 oxygen sensor is manufactured to meet stringent quality standards for emission control sensors. As part of the Walker Products Aftermarket line, it undergoes rigorous testing to ensure durability and performance in Toyota Tacoma applications. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.