Walker 350-34288 Oxygen Sensor - Upstream

Overview of Walker 350-34288 Oxygen Sensor for BMW 318is

The Walker 350-34288 oxygen sensor is designed specifically for the BMW 318is, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for BMW 318is models
• 30.04-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for reliable connection
• Overall length of 33.58 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34288) is engineered to meet the exact specifications required by the BMW 318is. The sensor type is heated, which helps it reach operating temperature quickly for faster and more accurate readings. It includes a 30.04-inch wiring harness with four 20-gauge wires, providing a robust electrical connection. The connector features a radiused polygon shape with a female gender, ensuring compatibility with the vehicle’s wiring harness. The sensor mounts via a threaded design with an 18.0 mm diameter, allowing for secure and straightforward installation. The overall length of 33.58 inches accommodates the specific routing needs of the BMW 318is.

Walker Products Aftermarket Brand Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications like the BMW 318is. The product line emphasizes quality construction and precise fitment to support emission system integrity and vehicle performance.

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 issues related to faulty sensors
• Resolves check engine light triggers caused by sensor failure
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector compatibility with the radiused polygon female plug
• Check wiring harness routing to prevent damage or interference
• Follow torque specifications to avoid sensor or thread damage

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34288 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure dependable performance in BMW 318is vehicles.