Walker 350-34448 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34448 Oxygen Sensor for Volvo Vehicles

The Walker 350-34448 oxygen sensor is designed specifically for select Volvo models including the S60, S80, V70, XC70, and XC90. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Volvo S60, S80, V70, XC70, and XC90 models
• 46.77-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 50.31 inches for proper fitment

Detailed Product Description

This Walker oxygen sensor (part number 350-34448) is engineered to meet the specific requirements of Volvo vehicles such as the S60, S80, V70, XC70, and XC90. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor includes a 46.77-inch wiring harness with 20 gauge wires arranged in a 4-wire configuration, ensuring reliable signal transmission and heater circuit operation. The radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. Overall, the 50.31-inch length accommodates proper placement within the vehicle’s exhaust path.

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement parts that meet or exceed OEM specifications. Walker Products Aftermarket parts are designed to offer dependable performance and compatibility, making them suitable for professional repairs and maintenance on Volvo vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance problems related to faulty sensors
• Resolves check engine light triggers caused by oxygen sensor faults
• Improves fuel economy by enabling precise engine management

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 type matches the vehicle harness before installation
• Do not over-tighten the sensor to prevent damage to threads
• Check wiring harness routing to avoid contact with hot exhaust components

Quality Assurance and Warranty

The Walker 350-34448 oxygen sensor is manufactured to meet strict quality standards and is tested for durability and performance. As part of the Walker Products Aftermarket line, it is backed by a limited warranty that covers defects in materials and workmanship under normal use. This ensures reliability and peace of mind when replacing oxygen sensors on compatible Volvo models.