Walker 350-34282 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34282 Oxygen Sensor

The Walker 350-34282 oxygen sensor is designed specifically for select Lexus, Pontiac, and Toyota models, including the Corolla, Matrix, SC430, and Vibe. This heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and fuel efficiency.

• Heated sensor type for faster response times
• Specific fit for Lexus, Pontiac, and Toyota vehicles
• 29.06-inch wiring harness length for optimal installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 32.6 inches for proper fitment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and quality construction, ensuring compatibility and durability for emission sensors like the 350-34282.

Technical Description and Features

The Walker 350-34282 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, supporting accurate data transmission to the vehicle’s engine control unit. The radiused polygon male connector ensures a secure and corrosion-resistant connection, while the threaded mounting with an 18.0 mm diameter provides a stable and leak-free installation. The wiring harness length of 29.06 inches and overall length of 32.6 inches are designed to fit the specified Lexus, Pontiac, and Toyota models without modification.

Compatible Vehicles and Applications

• Compatible with Lexus SC430 models requiring a specific oxygen sensor
• Fits Pontiac Vibe models for emission control sensor replacement
• Designed for Toyota Corolla and Matrix vehicles needing a heated oxygen sensor
• Used in emission control systems to monitor oxygen levels in exhaust gases
• Helps maintain optimal air-fuel mixture and reduce harmful emissions

Installation Notes and Tips

• Ensure vehicle compatibility with part number 350-34282 before installation
• Disconnect the battery before sensor replacement to avoid electrical issues
• Use proper tools to remove the threaded sensor without damaging the exhaust manifold
• Check connector shape and wiring harness length for proper fitment
• Verify sensor wiring connections match the vehicle’s harness to prevent faults

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure reliable performance. The 350-34282 part number is manufactured to precise specifications for the listed Lexus, Pontiac, and Toyota models. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship for their aftermarket emission sensors.