Walker 350-34642 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34642 Oxygen Sensor for Toyota Pickup and Van

The Walker 350-34642 oxygen sensor is designed specifically for Toyota Pickup and Van 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: 20.39 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Toyota Pickup and Van
• Four-wire configuration with radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 23.94 inches
• Flange mount for stable sensor positioning

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket, part number 350-34642, is engineered to meet the exact specifications required by Toyota Pickup and Van vehicles. The heated sensor type allows for quicker warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The four-wire design supports both the sensor signal and heater circuit, ensuring reliable operation. The radiused polygon female connector provides a secure and precise connection, minimizing the risk of electrical issues. With a wiring harness length of 20.39 inches and an overall length of 23.94 inches, this sensor fits seamlessly into the designated mounting location using its flange mount and 18.0 mm thread diameter.

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 and Van models. The product line emphasizes compatibility and durability, supporting proper engine management and emissions compliance.

Common Applications and Issues Addressed

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

Installation Notes and Tips

When installing the Walker 350-34642 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the flange mount and thread diameter match the vehicle’s sensor port. Connect the radiused polygon female connector securely to prevent electrical faults. It is recommended to check for any exhaust leaks around the sensor mounting area after installation.

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 350-34642 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable long-term performance.