Walker 350-32009 Oxygen Sensor - Upstream

Overview of Walker 350-32009 Oxygen Sensor

The Walker 350-32009 oxygen sensor is designed specifically for select Dodge and Mitsubishi models, including the Colt, Expo, Expo LRV, Galant, and Mirage. This non-heated sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

• Wiring harness length: 22.36 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: 25.91 inches
• Mounting type: Threaded

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing specific-fit emission control components. The line emphasizes compatibility and quality to meet the requirements of various vehicle makes and models, including Dodge and Mitsubishi. The 350-32009 sensor is engineered to match OEM specifications for accurate emissions monitoring and engine management.

Product Description and Features

The Walker 350-32009 oxygen sensor is a non-heated sensor designed for direct replacement in specific Dodge and Mitsubishi vehicles. Its 20-gauge wiring and 22.36-inch harness length provide optimal connectivity, while the radiused polygon male connector ensures secure attachment. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation. With two wires, this sensor accurately measures oxygen levels in the exhaust system to help maintain proper air-fuel mixture and emissions control.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing in Dodge Colt and Mitsubishi Galant exhaust systems
• Resolves engine performance issues related to faulty oxygen sensors
• Helps correct rough idling and poor fuel economy caused by sensor failure
• Supports emission system compliance for Mitsubishi Mirage and Expo models
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the sensor thread diameter (18.0 mm) matches the vehicle’s exhaust port
• Use proper torque specifications to avoid sensor damage during installation
• Verify connector compatibility with the radiused polygon male connector on the vehicle harness
• Inspect wiring harness length (22.36 inches) for adequate reach and routing
• Handle the sensor carefully to avoid contamination of the sensing element

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors, including part number 350-32009, are manufactured to meet industry standards for emission control components. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. This sensor is engineered to provide reliable performance and durability when installed according to manufacturer guidelines.