Atlantic Automotive Enterprises 6399N Power Steering Pump

OE-Style Power Steering Pump for GM Applications

Atlantic Automotive Enterprises New Power Steering Pump 6399N is an application-specific hydraulic replacement built for OE fitment and operation. It is designed for select Buick, Pontiac, Oldsmobile, and Chevrolet vehicles, including Grand Am, Malibu, Alero, and Rendezvous applications.

The 6399N power steering pump is 100% hydraulically tested under load in the USA, with a reservoir preinstalled and a heat-treated shaft for added durability. It is supplied without a pulley and without a core charge, making it a straightforward replacement for worn or noisy steering systems.

Key Features

• 100% hydraulically tested under load in the USA
• Reservoir included and preinstalled
• Upgraded shaft is heat treated to help prevent premature failure
• Sold without a core charge
• Without pulley
• Application-specific fitment for select GM vehicles

Product Details

Atlantic Automotive Enterprises New Power Steering Pump 6399N is manufactured with OE-quality components and inspected before shipment to support proper fitment and steering performance. This hydraulic power steering pump is intended for vehicles such as the Pontiac Grand Am, Chevrolet Malibu, Oldsmobile Alero, and Buick Rendezvous, where consistent hydraulic pressure is needed for smooth steering response. For long service life, flush the steering system and refill it with an OE-approved power steering fluid before installation.

This part cross-references AC Delco (e.g., 19369085, 19369087) for the same application.

Common Steering Problems It Can Address

• Hard or heavy steering effort
• Whining or groaning from the power steering system
• Low hydraulic pressure from a worn pump
• Fluid leakage from a failing pump assembly
• Steering assist loss on select GM vehicles

Installation Notes

Before installing 6399N, inspect the steering hoses, belt drive components, and fluid condition. Flush the system thoroughly to remove contamination from the old pump, then refill with OE-approved power steering fluid. Because this unit is supplied without a pulley, reuse or source the correct pulley for the vehicle application as needed.

Compatible With 1994-2007 Buick, Pontiac, Oldsmobile, and Chevrolet models listed in the fitment data, including 2002-2007 Buick Rendezvous, 2001-2005 Pontiac Aztek, 1997-2003 Chevrolet Malibu, and 1999-2004 Oldsmobile Alero.

Quality Assurance

AAE New Hydraulic Power Steering Pumps are built with OE-quality components and undergo inspection and testing prior to shipment. This 6399N pump is 100% tested in the USA and backed by a 24-month or 24,000-mile warranty.

• Fits 2002-2007 Buick Rendezvous, N/A
• Fits 2001-2005 Pontiac Aztek, N/A
• Fits 1996-2005 Pontiac Grand Am, N/A
• Fits 1994 Pontiac Grand Am, N/A
• Fits 1999-2005 Pontiac Montana, N/A
• Fits 1999-2004 Oldsmobile Alero, N/A
• Fits 1996-2004 Oldsmobile Silhouette, N/A
• Fits 1997-2003 Chevrolet Malibu, N/A
• Fits 1998-1999 Oldsmobile Cutlass, N/A
• Fits 1996-1999 Pontiac Trans Sport, N/A
• Fits 1994-1998 Buick Skylark, N/A
• Fits 1996-1998 Oldsmobile Achieva, N/A
• Fits 1994 Oldsmobile Achieva, N/A
• Fits 1997 Oldsmobile Cutlass, N/A
• Fits 1995-1997 Oldsmobile Cutlass Supreme, N/A
• Fits 1996 Chevrolet Lumina APV, N/A
• Fits 1994-1996 Oldsmobile Cutlass Ciera, N/A
• Fits 1995 Pontiac Grand Am, N/A