Walker 350-32019 Oxygen Sensor - Upstream

Overview of Walker 350-32019 Oxygen Sensor for Geo and Toyota

The Walker 350-32019 oxygen sensor is designed specifically for select Geo and Toyota models, including the Corolla and Prizm. This non-heated sensor provides precise emission control monitoring to help maintain engine efficiency and reduce harmful exhaust emissions.

• Wiring harness length: 14.29 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Geo Corolla and Toyota Prizm
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 17.83 inches
• Mounting type: Flange mount

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 to meet or exceed OEM standards, ensuring compatibility and performance for vehicles like the Geo Corolla and Toyota Prizm.

Product Description and Specifications

The Walker 350-32019 oxygen sensor features a flange mount design with an 18.0 mm thread diameter, allowing for secure installation in the exhaust system. Its 14.29-inch wiring harness and 20 gauge wires provide adequate length and durability for proper connection. The sensor uses a radiused polygon male connector, designed for a specific fit to the vehicle’s wiring harness, minimizing installation issues. As a non-heated sensor with two wires, it is engineered to monitor oxygen levels in the exhaust gases accurately, supporting the engine control unit in optimizing fuel mixture and emissions.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Geo Corolla and Toyota Prizm models
• Helps resolve engine performance problems related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control system
• Prevents check engine light triggers caused by sensor malfunctions
• Supports fuel efficiency by maintaining proper combustion monitoring

Installation Notes and Tips

• Ensure the sensor thread diameter (18.0 mm) matches the vehicle’s exhaust port
• Verify connector compatibility with the radiused polygon male connector on the vehicle harness
• Handle wiring carefully to avoid damage to the 20 gauge wires and maintain proper connection
• Use appropriate tools for flange mount installation to avoid sensor damage
• Consult vehicle service manual for torque specifications and sensor location

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for emission control components. The 350-32019 sensor undergoes quality checks to ensure durability and reliable performance in Geo Corolla and Toyota Prizm vehicles. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.