Walker 350-35022 Oxygen Sensor - Upstream

Overview of Walker 350-35022 Oxygen Sensor for Mazda 3

The Walker 350-35022 oxygen sensor is designed specifically for Mazda 3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine efficiency.

• Wiring harness length: 29.06 inches for flexible installation
• Wire gauge measurement: 20 gauge for reliable electrical conductivity
• Heated sensor type for faster response times
• Specific fitment for Mazda 3 vehicles
• Five-wire configuration with both male and female radiused polygon connectors
• Thread diameter of 18.0 mm with threaded mounting type
• Overall length of 32.6 inches for proper placement

Detailed Product Description

This Walker oxygen sensor (part number 350-35022) is engineered to meet the exact specifications required by Mazda 3 models. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor includes a 29.06-inch wiring harness with 20 gauge wires, ensuring durability and consistent signal transmission. Its five-wire design supports advanced sensor functions, while the radiused polygon connectors—both male and female—allow for secure and precise connections. The threaded mounting type with an 18.0 mm diameter ensures a proper fit and seal in the exhaust system.

Walker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering components that meet or exceed OEM standards. This product line emphasizes compatibility and reliability for specific vehicle applications, such as the Mazda 3, ensuring that replacement parts integrate seamlessly with existing systems.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Mazda 3 vehicles
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate feedback to the engine control unit
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining proper combustion monitoring

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify connector orientation matches the radiused polygon shape for secure fit
• Check wiring harness length and routing to prevent damage or interference
• Follow torque specifications for the 18.0 mm threaded mounting to avoid leaks

Quality Assurance and Warranty

The Walker 350-35022 oxygen sensor is manufactured to meet strict quality standards, ensuring durability and consistent performance. As part of the Walker Products Aftermarket line, this sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.