Walker 350-35026 Oxygen Sensor - Upstream

Overview of Walker 350-35026 Oxygen Sensor for Mazda Vehicles

The Walker 350-35026 oxygen sensor is designed specifically for select Mazda models, including the Mazda 3, Mazda 3 Sport, and Mazda 5. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 5-wire configuration
• Specific fit for Mazda 3, 3 Sport, and 5 models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure wiring harness connection
• Wiring harness length of 17.24 inches and overall length of 20.79 inches
• 20 gauge wire for reliable signal transmission

Detailed Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide faster response times and improved accuracy under various operating conditions. The 5-wire design supports both sensor heating and signal output, enhancing durability and performance. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure and precise fit in the exhaust system. The radiused polygon male connector is designed to match the factory wiring harness, simplifying installation and maintaining electrical integrity. With a wiring harness length of 17.24 inches and an overall length of 20.79 inches, this sensor fits neatly within the engine bay of compatible Mazda vehicles.

Walker Products Aftermarket Brand Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable and durable sensors that maintain vehicle emissions compliance and engine efficiency. The 350-35026 oxygen sensor is part of this line, providing a direct replacement solution tailored for specific Mazda models to ensure proper fit and function.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for improved fuel economy
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper air-fuel ratio
• Prevents engine performance problems caused by faulty sensor readings
• Supports smooth engine idling and acceleration

Installation Notes and Tips

When installing the Walker 350-35026 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the radiused polygon male connector matches the factory harness before connecting. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks. It is recommended to inspect wiring and connectors for damage during installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-35026 should be confirmed at the point of purchase, Walker typically provides coverage against defects in materials and workmanship to ensure customer confidence in their emission control components.