Walker 350-34072 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34072 Oxygen Sensor

The Walker 350-34072 oxygen sensor is designed specifically for select Chevrolet and Toyota models, including the Corolla, Land Cruiser, Nova, and Pickup. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with flange mount design
• Specific fit for Chevrolet and Toyota vehicles
• 6.81-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon female connector
• 18.0 mm thread diameter and 10.35-inch overall length

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket features a heated sensor type that allows for quicker warm-up times and improved sensor responsiveness. The flange mount ensures secure installation, while the 18.0 mm thread diameter matches factory specifications for a precise fit. The wiring harness length of 6.81 inches and 20 gauge wire provide reliable electrical connections, and the four-wire setup supports both sensor heating and signal transmission. The radiused polygon female connector is designed to fit specific vehicle harnesses, reducing installation complexity.

Walker Products Aftermarket Line Information

Walker Products Aftermarket offers a range of emission control components engineered to meet or exceed OEM standards. The 350-34072 oxygen sensor is part of this line, focusing on delivering reliable performance and compatibility with specific vehicle makes and models. This product line emphasizes precise fitment and durability, supporting emission compliance and engine efficiency.

Applications and Common Issues Addressed

• Compatible with Chevrolet Corolla, Nova, and Pickup models
• Compatible with Toyota Corolla and Land Cruiser models
• Helps resolve rough idling caused by faulty oxygen sensors
• Addresses poor fuel economy due to incorrect air-fuel mixture readings
• Reduces engine hesitation and stalling related to sensor failure
• Supports emission system compliance by providing accurate exhaust gas data

Installation Notes and Tips

When installing the Walker 350-34072 oxygen sensor, ensure the flange mount is securely fastened to prevent exhaust leaks. Verify the connector matches the vehicle’s wiring harness, noting the radiused polygon female design. Use appropriate tools to avoid damaging the 18.0 mm threaded sensor body. It is recommended to replace the sensor when the engine is cool to prevent burns and ensure proper torque application.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34072 part number undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use conditions.