Atlantic Automotive Enterprises 5543N Power Steering Pump

Power Steering Pump for Toyota and Scion

Atlantic Automotive Enterprises New Power Steering Pump, part number 5543N, is an application-specific hydraulic replacement for select Toyota and Scion vehicles. It is built with OE-quality components and tested in the USA to verify hydraulic operation and fitment before shipment.

Key Features

• Reservoir included and preinstalled for a cleaner replacement process.
• Pulley included and preinstalled.
• 100% hydraulically tested under load in the USA.
• Engineered to meet or exceed OE specifications for performance, fit, and function.
• Sold without a core charge.

Product Details

This AAE New Power Steering Pump is made for drivers replacing a worn or noisy hydraulic pump on a 2000-2005 Toyota Echo, 2004-2006 Scion xA, or 2004-2006 Scion xB. The 5543N pump is built for direct-fit service on these applications and is supplied with the reservoir and pulley already installed. AAE focuses on OE-style operation and fitment, and each unit is inspected and tested to help confirm proper hydraulic performance.

This part cross-references Toyota service numbers 4431052020 and 4431052050 for the same application.

What It Helps Solve

• Hard or inconsistent steering effort from a failing hydraulic pump.
• Whining or groaning noise from the power steering system.
• Fluid leakage from a worn pump assembly.
• Loss of steering assist at low speeds or during parking maneuvers.
• Fitment issues when replacing an original pump on Toyota Echo, Scion xA, or Scion xB models.

Installation Notes and Tips

Fits 2000-2005 Toyota Echo, N/A; Fits 2004-2006 Scion xA, N/A; Fits 2004-2006 Scion xB, N/A. Before installation, flush the steering system and refill with an OE-approved power steering fluid to protect pump life and maintain proper operation. Verify pulley and reservoir alignment during installation and inspect hoses, seals, and fluid condition before returning the vehicle to service.

Quality Assurance

AAE New Hydraulic Power Steering Pumps are manufactured with OE-quality components and 100% tested in the USA under load. Part number 5543N is backed by a 24-month/24,000-mile warranty.