Atlantic Automotive Enterprises 50478 Power Steering Pump

Remanufactured Hydraulic Steering Pump

Restore hydraulic steering performance with Atlantic Automotive Enterprises Remanufactured Power Steering Pump 50478. This standard replacement pump is remanufactured for OE-level operation and is built for select Mercedes-Benz SL550 and SL63 AMG applications.

The AAE Remanufactured Power Steering Pump line focuses on hydraulic steering components that are disassembled, cleaned, and rebuilt with wear items replaced during the remanufacturing process. Each unit is inspected and tested before shipment to help deliver consistent steering assist and reliable operation.

• Hydraulic power steering pump
• Standard replacement grade
• Remanufactured for OE performance and durability
• 100% inspected and tested before shipment
• Part number 50478
• Fits Mercedes-Benz SL550 and Mercedes-Benz SL63 AMG applications

Fitment Details

• Fits 2007-2012 Mercedes-Benz SL550, N/A; remanufactured power steering pump, without pulley, without reservoir.
• Fits 2009-2012 Mercedes-Benz SL63 AMG, N/A; remanufactured power steering pump, without pulley, without reservoir.

What This Pump Helps Address

• Heavy or inconsistent steering effort
• Whining or groaning from the hydraulic steering system
• Low steering assist caused by pump wear
• Fluid circulation issues related to internal pump wear
• Replacement needs for a worn Mercedes-Benz SL550 or SL63 AMG power steering pump

Installation Notes

Verify the vehicle application, hydraulic connection points, and the absence of a pulley and reservoir before installation. Inspect the steering fluid condition and related hoses, then bleed the system after installation to remove trapped air and restore proper assist. Confirm interchange and OE reference numbers before ordering, including 50478.

Quality Assurance

Atlantic Automotive Enterprises remanufactures each hydraulic pump by disassembling the unit, cleaning components, replacing wear parts, and testing the finished assembly for OE performance and reliability. This part cross-references OE numbers 0004661100 and 0054660901 for the same application.