Walker 350-32017 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor for Lexus LS400

The Walker 350-32017 oxygen sensor is designed specifically for the Lexus LS400, ensuring precise emission control and optimal engine performance. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 15.28 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 18.82 inches
• Mounting type: Threaded

Detailed Product Description

This Walker oxygen sensor, part number 350-32017, is engineered for specific fitment on the Lexus LS400. The sensor’s 20-gauge wiring and 15.28-inch harness length provide reliable electrical connectivity, while the radiused polygon male connector ensures a secure and precise connection to the vehicle’s wiring system. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal to prevent exhaust leaks. As a non-heated sensor, it operates effectively within the emission control system to monitor oxygen levels in the exhaust gases, helping the engine control unit adjust fuel mixture for efficient combustion.

Walker Products Aftermarket Line

The Walker Products Aftermarket line offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a reliable replacement option tailored for specific vehicle applications like the Lexus LS400. The focus on precise fitment and quality materials supports consistent sensor performance and durability.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient engine operation
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Supports smooth idling and improved fuel economy

Installation Notes and Tips

When installing the Walker 350-32017 oxygen sensor on a Lexus LS400, ensure the threaded mounting hole is clean and free of debris. Use appropriate anti-seize compound on the threads to facilitate future removal. Confirm the radiused polygon male connector aligns correctly with the vehicle’s wiring harness to avoid damage. Follow torque specifications recommended by the vehicle manufacturer to secure the sensor properly.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability. The 350-32017 part is manufactured to precise specifications for the Lexus LS400. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.