Walker 250-54071 Oxygen Sensor - Upstream

Overview of Walker 250-54071 Oxygen Sensor for Suzuki SX4

The Walker 250-54071 oxygen sensor is designed specifically for the Suzuki SX4, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Suzuki SX4 models
• 7.4-inch wiring harness length with 20-gauge wire
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 10.94 inches for proper fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-54071) is engineered to meet the exact specifications required by Suzuki SX4 vehicles. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 7.4-inch wiring harness and 20-gauge wire, it ensures stable electrical signals for accurate oxygen level detection. The sensor’s 4-wire configuration supports both the heating element and signal transmission, while the radiused polygon male connector provides a secure and precise fit. The threaded mounting type with an 18.0 mm diameter ensures compatibility with the factory mounting location, and the overall length of 10.94 inches accommodates the vehicle’s sensor placement requirements.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the performance and durability expected by Suzuki SX4 owners. Walker Products OE parts are engineered for direct fitment and reliable operation, supporting emission control systems effectively.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Suzuki SX4
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel economy by enabling proper combustion adjustments

Installation Notes and Tips

When installing the Walker 250-54071 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’s radiused polygon shape and male gender match the vehicle’s harness for a secure connection. Thread the sensor carefully into the mounting hole to prevent cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part is designed to provide consistent emission control and engine monitoring for Suzuki SX4 vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.