Walker 350-34038 Oxygen Sensor - Upstream

Overview of Walker 350-34038 Oxygen Sensor for BMW 525i

The Walker 350-34038 oxygen sensor is designed specifically for BMW 525i models, providing precise emission control and engine performance monitoring. 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 525i vehicles
• 27.09-inch wiring harness length with 4 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for reliable connection
• Overall length of 30.63 inches for proper fitment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes compatibility and quality, ensuring that parts like the 350-34038 oxygen sensor integrate seamlessly with specific vehicle models such as the BMW 525i.

Product Description and Attributes

The Walker 350-34038 oxygen sensor is a heated sensor designed to provide fast response times and accurate readings of oxygen levels in the exhaust system. It features a 27.09-inch wiring harness with four 20-gauge wires, allowing for reliable electrical connections. The sensor’s radiused polygon female connector ensures a secure fit with the vehicle’s wiring harness. Its threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust manifold or pipe. The overall length of 30.63 inches accommodates proper positioning within the exhaust system of the BMW 525i.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

When installing the Walker 350-34038 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector type matches the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. Verify sensor wiring is secure and routed away from hot exhaust components.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34038 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.