Walker 350-34012 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor 350-34012 for Volvo 850

The Walker 350-34012 oxygen sensor is designed specifically for the Volvo 850, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon connector, tailored for a direct fit replacement.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Volvo 850 models
• Threaded mounting with 18.0 mm thread diameter
• 18.23 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon connector with male and female ends
• Overall length of 21.77 inches for proper installation

Detailed Product Description

This Walker oxygen sensor (part number 350-34012) is engineered to meet the exact specifications required by Volvo 850 vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The wiring harness length of 18.23 inches and 20 gauge wire size provide reliable electrical connectivity, while the four-wire configuration supports sensor heating and signal transmission. The radiused polygon connector with both male and female ends ensures secure and precise connections during installation. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement without modifications.

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 durability, making it suitable for specific vehicle applications like the Volvo 850.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce harmful emissions by ensuring correct sensor operation
• Eliminates check engine light triggers caused by sensor failure
• Improves fuel economy by providing precise feedback to the engine control unit

Installation Notes and Tips

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

Quality Assurance and Warranty

The Walker 350-34012 oxygen sensor is manufactured to meet strict quality standards, ensuring reliable performance and durability. As part of the Walker Products Aftermarket line, this sensor undergoes rigorous testing to comply with emission control requirements. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.