Walker 350-34357 Oxygen Sensor - Upstream

Overview of Walker 350-34357 Oxygen Sensor for Toyota Pickup

The Walker 350-34357 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 female connector for secure installation.

• Wiring harness length: 20.2 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Toyota Pickup
• Four-wire configuration with radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 23.74 inches
• Flange mount for stable positioning

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34357) is engineered to meet the exact specifications of Toyota Pickup vehicles. The heated sensor design allows for quicker warm-up times, improving fuel efficiency and reducing emissions. The four-wire setup includes a 20-gauge wiring harness measuring 20.2 inches, providing reliable electrical connections. The sensor’s flange mount and 18.0 mm thread diameter ensure a secure fit, while the radiused polygon female connector facilitates easy and accurate installation. With an overall length of 23.74 inches, this sensor fits precisely within the designated mounting area of the Toyota Pickup.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a specific fit and reliable performance for Toyota Pickup models. The product line emphasizes compatibility and durability, supporting emission system efficiency and regulatory compliance.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for Toyota Pickup engines
• Reduces exhaust emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal combustion

Installation Notes and Tips

• Ensure the vehicle is cool before sensor replacement to avoid burns
• Use appropriate tools for flange mount removal and installation
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female)
• Check thread diameter (18.0 mm) for compatibility with mounting port
• Follow torque specifications to avoid sensor damage

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. While specific warranty details for part number 350-34357 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Toyota Pickup vehicles.