Walker 350-34339 Oxygen Sensor - Downstream Rear

Overview of Walker Oxygen Sensor 350-34339 for Toyota RAV4

The Walker 350-34339 oxygen sensor is designed specifically for Toyota RAV4 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.

• Heated oxygen sensor type for faster response times
• Specific fit for Toyota RAV4 vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 13.31 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 16.85 inches for proper installation

Detailed Product Features and Specifications

The Walker 350-34339 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control accuracy. It includes a 13.31-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connectivity. The sensor’s radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port of Toyota RAV4 models. With an overall length of 16.85 inches, this sensor fits perfectly within the vehicle’s emission system layout.

Walker Products Aftermarket Line Information

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The product line emphasizes compatibility and durability, ensuring that parts like the 350-34339 oxygen sensor maintain the performance and reliability expected in Toyota RAV4 vehicles.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy issues
• Reduces excessive exhaust emissions and failed emissions tests
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper catalytic converter function by providing correct air-fuel mixture data

Installation Notes and Tips

When installing the Walker 350-34339 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly torque the sensor to manufacturer specifications to prevent leaks or sensor damage. Check wiring harness routing to avoid contact with hot exhaust components.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and ensure long-term durability. The 350-34339 part is manufactured to precise specifications for Toyota RAV4 fitment. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.