Walker 350-34142 Oxygen Sensor

Overview of Walker 350-34142 Oxygen Sensor

The Walker 350-34142 oxygen sensor is designed specifically for select BMW and Land Rover models, providing precise emission control monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for BMW and Land Rover vehicles
• Threaded mounting with 18.0 mm thread diameter
• 11.34-inch wiring harness length with 4 wires
• Radiused polygon male connector for secure connection
• Overall length of 14.88 inches for proper installation
• 20 gauge wire for reliable signal transmission

Detailed Product Description

This Walker oxygen sensor (part number 350-34142) is engineered to meet the exact specifications required by various BMW models including the 318i, 320i, 325i, 330i, 525i, 530i, 740i, and M5, as well as Land Rover models such as Range Rover, X3, X5, and X6. The heated sensor element allows for quicker activation and more consistent readings under varying engine conditions. The sensor’s 18.0 mm threaded mounting ensures a secure fit, while the 11.34-inch wiring harness with four 20-gauge wires and a radiused polygon male connector facilitates straightforward installation and reliable electrical connection. The overall length of 14.88 inches accommodates proper placement within the exhaust system.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their sensor lineup, focusing on durability and precise fitment for specific vehicle applications. The product line emphasizes compatibility and quality to support emission system functionality and regulatory compliance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps correct rough idling or engine hesitation caused by faulty sensors
• Supports emission system compliance for BMW and Land Rover vehicles
• Prevents increased exhaust emissions due to sensor failure

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—this sensor features a radiused polygon male connector. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit without over-tightening.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for fit, form, and function. While specific warranty details for part number 350-34142 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in BMW and Land Rover applications.