Walker 350-31040 Oxygen Sensor - Upstream

Overview of Walker 350-31040 Oxygen Sensor

The Walker 350-31040 oxygen sensor is designed for specific vehicle applications including BMW 318i, 320i, 528e, 528i, 533i, Jaguar XJ6, and Saab 900 models. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable emission control performance.

• Wiring harness length: 33.98 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for select BMW, Jaguar, and Saab models
• Connector shape: Radiused polygon with female gender
• Thread diameter: 18.0 mm
• Overall length: 37.52 inches
• Mounting type: Threaded
• Single wire configuration

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to exact vehicle specifications. The product line emphasizes precise fitment and quality construction, supporting emission system efficiency and compliance for vehicles such as BMW, Jaguar, and Saab.

Product Description and Features

The Walker 350-31040 oxygen sensor is engineered as a non-heated sensor with a single wire, designed to monitor exhaust oxygen levels accurately. Its 33.98-inch wiring harness and 37.52-inch overall length provide adequate reach for installation in compatible vehicles. The radiused polygon female connector and 18.0 mm threaded mounting ensure secure attachment and electrical connection. This sensor is specifically made for models including BMW 318i, 320i, 528e, 528i, 533i, Jaguar XJ6, and Saab 900, supporting proper engine management and emission control.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Supports resolution of check engine light triggers related to oxygen sensor faults
• Assists in improving fuel economy by ensuring proper sensor function

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Walker 350-31040 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness with the radiused polygon female connector. Use appropriate tools to avoid damaging the 18.0 mm threaded fitting. Verify sensor wiring and secure connections before completing installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet OEM specifications for fit and function. While specific warranty details for part number 350-31040 are not provided here, Walker typically offers coverage against defects in materials and workmanship. Confirm warranty terms with the product documentation or supplier.