Walker 250-54022 Oxygen Sensor - Upstream

Overview of Walker 250-54022 Oxygen Sensor for Acura TSX

The Walker 250-54022 oxygen sensor is designed specifically for the Acura TSX, 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 feedback
• Specific fit for Acura TSX models
• Threaded mounting with 18.0 mm thread diameter
• 21.57-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon female connector for reliable connection
• Overall length of 25.12 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-54022) is engineered to meet the exact specifications required by Acura TSX vehicles. The sensor is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes a 21.57-inch wiring harness with four 20-gauge wires, ensuring compatibility with the vehicle’s electrical system. The connector features a radiused polygon shape with a female gender design, providing a secure and precise fit. The sensor mounts via a threaded connection with an 18.0 mm diameter, and the overall length of 25.12 inches supports proper installation within the exhaust system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring it matches the performance and durability expected by Acura TSX owners. Walker Products OE parts are designed for direct replacement, maintaining factory specifications and fitment for reliable operation.

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 sensors
• Resolves check engine light triggers caused by sensor failure
• Supports proper catalytic converter function and longevity

Installation Notes and Tips

When installing the Walker 250-54022 oxygen sensor on an Acura TSX, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Connect the wiring harness securely to the radiused polygon female connector, verifying that all four wires are properly seated. Follow torque specifications to avoid damage to the sensor or exhaust components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality control standards. While specific warranty details for part number 250-54022 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind for Acura TSX owners.