Walker 350-34643 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34643 Oxygen Sensor

The Walker 350-34643 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Camry, IS300, SC300, Solara, and Supra. This heated oxygen sensor provides accurate emissions control by monitoring exhaust gases and ensuring optimal engine performance.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Lexus and Toyota vehicles including Camry, IS300, SC300, Solara, and Supra
• Threaded mounting type with an 18.0 mm thread diameter for secure installation
• Connector features a radiused polygon shape with a male gender
• Wiring harness length of 20.39 inches and overall length of 23.94 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34643) is engineered to meet the specific requirements of various Lexus and Toyota models. The heated sensor type ensures faster warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The 4-wire configuration supports both the sensor signal and the heating element, enhancing sensor responsiveness and durability.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure and leak-free fit. The connector’s radiused polygon shape and male gender ensure compatibility with the vehicle’s wiring harness, simplifying installation. With a wiring harness length of 20.39 inches and an overall length of 23.94 inches, this oxygen sensor fits precisely without excess slack or tension.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution for emission sensors in Lexus and Toyota vehicles. The product line emphasizes quality materials and precise fitment to maintain vehicle emission standards and engine performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation caused by faulty sensors
• Reduces increased emissions and failed emissions tests
• Improves fuel economy by ensuring efficient combustion
• Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34643 oxygen sensor, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the connector shape and wire count match the vehicle’s harness before installation. Thread the sensor by hand initially to prevent cross-threading, then tighten to manufacturer torque specifications. Inspect wiring for damage and secure the harness to prevent strain.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability under typical operating conditions. While specific warranty details are not provided here, Walker generally offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.