Walker 350-32028 Oxygen Sensor - Upstream

Overview of Walker 350-32028 Oxygen Sensor

The Walker 350-32028 oxygen sensor is designed specifically for select Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn vehicles. This non-heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and comply with emission standards.

• Wiring harness length: 12.91 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 16.46 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 precise fitment and reliable sensor performance for a range of domestic vehicles, including models from Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn. The 350-32028 sensor is engineered to meet OEM specifications for accurate air-fuel mixture readings and durability.

Product Description and Features

The Walker 350-32028 oxygen sensor is a non-heated sensor designed for threaded mounting with an 18.0 mm thread diameter. It features a 12.91-inch wiring harness with 20 gauge wires and a radiused polygon female connector, ensuring secure and proper electrical connections. The sensor’s overall length of 16.46 inches allows for straightforward installation in compatible exhaust systems. This specific-fit sensor is engineered to work with models such as the Chevrolet Cavalier, Pontiac Sunfire, GMC Sonoma, and Saturn LS1, among others.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Supports emission system compliance for vehicles like Chevrolet Alero and GMC S10

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 female connector
• Inspect wiring harness length (12.91 inches) for routing clearance
• Disconnect the battery before installation to prevent electrical shorts

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The 350-32028 sensor undergoes rigorous quality control to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.