Atlantic Automotive Enterprises 5999NKTC Power Steering Pump Kit

OE-Style Power Steering Pump Kit

Restore hydraulic steering performance with Atlantic Automotive Enterprises part number 5999NKTC. This application-specific power steering pump kit is built for Mercedes-Benz GLK350, S400, S550, E300, E350, and E280 fitments with the pump, pulley, reservoir, o-ring, and retainer matched for OE-style operation and fitment.

AAE part number 5999NKTC is 100% hydraulically tested under load in the USA and supplied without a core charge. For this Mercedes-Benz power steering pump replacement, the reservoir should be changed with the pump to help prevent fluid leakage concerns.

Key Features

• Complete kit with new pump, pulley, reservoir, o-ring, and retainer
• Application-specific design for confirmed Mercedes-Benz fitment
• 100% hydraulically tested under load in the USA
• Sold without a core charge
• Built with OE-quality components for OE operation and fitment
• Recommended reservoir replacement on this application to reduce leakage issues

Detailed Description

Atlantic Automotive Enterprises 5999NKTC is a hydraulic power steering pump kit for select Mercedes-Benz vehicles, including 2007-2012 GLK350, 2010 S400, 2008-2010 S550, 2008-2009 E300, 2007-2009 E350, and 2007 E280 applications. It is engineered as an OE-style replacement for vehicles that need a complete steering pump service solution, with the pulley and reservoir included to support proper system operation and fitment.

This part cross-references Mercedes-Benz OE numbers 0004602383 and 0054662001 for the same application. Use part number 5999NKTC when searching for a Mercedes-Benz power steering pump kit for GLK350, E350, or S550 service work.

What It Helps Fix

• Hard or inconsistent steering assist
• Noise from a worn hydraulic power steering pump
• Fluid leakage at the reservoir or pump assembly
• Poor steering response caused by pump wear
• Fitment issues when replacing a pump without the correct reservoir and pulley setup

Installation Notes

Flush the steering system before installation and refill it with an OE-approved power steering fluid. On this application, replacing the reservoir with the pump is recommended to help avoid repeat leakage concerns. Verify vehicle-specific fitment details, including VIN breakpoints and data card notes, before installation.

Quality Assurance

AAE manufactures this hydraulic power steering pump kit with OE-quality components and inspects and tests each unit before shipment. Every unit is 100% tested in the USA to confirm hydraulic performance and fitment. Warranty coverage is 24 months or 24,000 miles.

• Fits 2010-2012 Mercedes-Benz GLK350, N/A, new, w/Data Card SA Code (809), w/Pulley, w/Reservoir, w/Cap
• Fits 2010 Mercedes-Benz S400, N/A, new, w/o Active Body Control, w/Pulley, w/Reservoir, w/Cap
• Fits 2008-2010 Mercedes-Benz S550, N/A, new, w/o Active Body Control, w/Pulley, w/Reservoir, w/Cap
• Fits 2008-2009 Mercedes-Benz E300, N/A, new, w/Pulley, w/Reservoir, w/Cap
• Fits 2008-2009 Mercedes-Benz E350, N/A, new, w/o Data Card SA Code (494), w/Pulley, w/Reservoir, w/Cap
• Fits 2008-2009 Mercedes-Benz E350, N/A, new, w/Pulley, w/Reservoir, w/Cap
• Fits 2007 Mercedes-Benz E280, N/A, new, from VIN X204015, w/Pulley, w/Reservoir, w/Cap
• Fits 2007 Mercedes-Benz E350, N/A, new, from VIN A939965, w/Pulley, w/Reservoir, w/Cap
• Fits 2007 Mercedes-Benz E350, N/A, new, from VIN B060051, w/Pulley, w/Reservoir, w/Cap
• Fits 2007 Mercedes-Benz E350, N/A, new, from VIN X204015, w/Pulley, w/Reservoir, w/Cap
• Fits 2007 Mercedes-Benz S550, N/A, new, from VIN 039825, w/o Active Body Control, w/Pulley, w/Reservoir, w/Cap