Walker 350-34716 Oxygen Sensor - Upstream

Overview of Walker 350-34716 Oxygen Sensor for BMW 318i

The Walker 350-34716 oxygen sensor is designed specifically for the BMW 318i, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 34.37-inch wiring harness and a 20-gauge wire measurement for reliable electrical connectivity.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for BMW 318i models
• 34.37-inch wiring harness length for proper installation
• 20-gauge wire measurement with 4 wires for stable signal transmission
• Female connector with 18mm thread diameter
• Overall length of 37.91 inches for correct placement

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34716) is engineered to meet the exact specifications of the BMW 318i. The sensor type is heated, which helps it reach operating temperature faster, improving fuel efficiency and reducing emissions. The 4-wire configuration supports both the sensor signal and the heating element, while the 20-gauge wire ensures durability and consistent electrical performance. The female connector and 18mm thread diameter provide a secure and precise fit, minimizing installation issues. With an overall length of 37.91 inches and a wiring harness length of 34.37 inches, this sensor is designed for straightforward integration into the vehicle’s emission control system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components tailored to specific vehicle applications. This oxygen sensor is part of that line, offering a direct replacement solution that maintains factory-level performance and compliance. The product line emphasizes compatibility and quality, ensuring that parts like the 350-34716 oxygen sensor meet the demands of modern emission standards for vehicles such as the BMW 318i.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in BMW 318i
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by enabling proper engine management

Installation Notes and Tips

When installing the Walker 350-34716 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness. Verify the 18mm thread diameter matches the mounting port on the BMW 318i. Connect the female connector securely to prevent signal loss. It is recommended to inspect the wiring for any damage and replace if necessary to maintain sensor performance.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet OEM standards for fit, form, and function. The 350-34716 part number is manufactured to provide consistent performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term reliability for BMW 318i owners.