Walker 350-34518 Oxygen Sensor - Upstream

Overview of Walker 350-34518 Oxygen Sensor for Volvo S40 and V40

The Walker 350-34518 oxygen sensor is designed specifically for Volvo S40 and V40 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.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Volvo S40 and V40 vehicles
• 32.6-inch wiring harness length for flexible routing
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 36.14 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34518) is engineered to meet the exact specifications required by Volvo S40 and V40 models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 32.6 inches provides ample length for installation without excess slack. The connector features a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching factory specifications for a reliable seal and fit.

Walker Products Aftermarket Line

The Walker Products Aftermarket line offers a range of emission control components designed to meet or exceed OEM standards. This product line focuses on providing specific fitment parts that maintain vehicle performance and emissions compliance. The 350-34518 oxygen sensor is part of this line, ensuring compatibility and quality for Volvo S40 and V40 owners requiring replacement sensors.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light codes related to oxygen sensor failure
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining sensor functionality
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-34518 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. Inspect wiring for any damage or corrosion during replacement.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34518 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation in Volvo S40 and V40 vehicles.