Walker 350-34353 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34353 Oxygen Sensor

The Walker 350-34353 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Camry, Celica, ES250, Land Cruiser, MR2, and Pickup. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota vehicles
• 12.32-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon female connector
• Flange mount with 18.0 mm thread diameter
• Overall length of 15.87 inches for precise installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide quicker warm-up and more accurate readings under various operating conditions. The 12.32-inch wiring harness and 20 gauge wire ensure reliable electrical connections, while the four-wire design supports both sensor heating and signal transmission. The radiused polygon female connector offers secure and precise mating with the vehicle’s wiring harness. The flange mount and 18.0 mm thread diameter allow for proper and stable installation in the exhaust system. Overall length of 15.87 inches accommodates the specific fitment requirements of the supported Lexus and Toyota models.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct fit solution for emission system maintenance and repair. The product line emphasizes compatibility and durability, ensuring that the sensor integrates seamlessly with the vehicle’s existing systems.

Applications and Common Issues Addressed

• Restores accurate air-fuel mixture readings for Lexus Camry and Toyota Land Cruiser
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor operation in Toyota MR2 and Pickup models
• Prevents check engine light triggers caused by sensor failure
• Supports efficient fuel consumption and engine management in Toyota Celica and ES250

Installation Notes and Tips

When installing the Walker 350-34353 oxygen sensor, ensure the flange mount is securely tightened to the exhaust port using the 18.0 mm thread diameter. Verify the four-wire harness is connected correctly to the vehicle’s female radiused polygon connector to maintain sensor functionality. It is recommended to inspect the wiring harness length of 12.32 inches to confirm proper routing without strain or interference. Use appropriate anti-seize compound on the threads if required by the vehicle manufacturer.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for emission control components. While specific warranty details for part number 350-34353 should be confirmed with the distributor or installer, Walker typically provides coverage against defects in materials and workmanship to support reliable vehicle operation.