Walker 350-35072 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor for Volvo S80

The Walker 350-35072 oxygen sensor is designed specifically for Volvo S80 models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 28.27 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Volvo S80
• Five-wire configuration
• Radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 31.81 inches
• Threaded mounting type

Detailed Product Description

The Walker 350-35072 oxygen sensor is engineered to meet the exact specifications of the Volvo S80, providing accurate air-fuel mixture readings to the engine control unit. Its heated sensor design allows for quicker activation and improved efficiency during cold starts. The sensor includes a 28.27-inch wiring harness with 20-gauge wires, ensuring reliable electrical connections. The five-wire setup supports both the sensor signal and heater circuit, while the radiused polygon male connector ensures a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with the vehicle’s exhaust system.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM standards. Walker Products Aftermarket parts are designed to offer reliable performance and durability, making them suitable for specific vehicle applications such as the Volvo S80.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve rough idling caused by faulty sensors
• Reduces emissions by maintaining proper air-fuel ratio
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance and drivability

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks or damage.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide consistent performance. While specific warranty details for part number 350-35072 should be confirmed at the point of purchase, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.