Atlantic Automotive Enterprises 6406N Rack and Pinion Assembly

Hydraulic Rack and Pinion for Ford and Lincoln

Atlantic Automotive Enterprises Part Number 6406N is a new hydraulic power steering rack and pinion complete unit for select Ford, Lincoln, and Mercury applications. It is built for direct replacement service on vehicles such as the Ford Mustang, Ford Thunderbird, and Lincoln Mark VII with sport steering setups.

This New Rack and Pinion Complete Unit line is focused on OE-style fitment and steering response for import and domestic vehicles. For drivers addressing steering looseness, fluid leakage, or uneven steering effort, 6406N provides a complete hydraulic rack assembly built to match the original application.

Key Features

• 100% inspected and hydraulically tested in the USA
• Supplied with inner tie rods
• New bellows secured with OE stainless steel clamps to help keep dirt and debris out
• Heat-treated upgraded bar for added durability
• Sold without a core charge
• Engineered to meet or exceed OE specifications for performance, fit, and function

Product Details

AAE New Rack and Pinion Complete Unit 6406N is manufactured with OE-quality components and tested for proper operation and fitment before release. The hydraulic design supports factory-style steering feel on applications including 1980-1993 Ford Mustang, 1984-1992 Lincoln Mark VII, 1980-1988 Ford Thunderbird, 1980-1988 Mercury Cougar, 1982-1987 Lincoln Continental, 1983-1986 Ford LTD, 1980-1986 Mercury Capri, 1983-1986 Mercury Marquis, and 1980-1983 Ford Fairmont. This part cross-references Ford E5SZ3L547B for the same application.

Common Steering Issues

• Excessive play or looseness in the steering wheel
• Hydraulic fluid leaks from the rack and pinion assembly
• Uneven or inconsistent steering effort
• Noisy steering operation caused by worn internal components
• Contaminant intrusion from damaged rack bellows

Installation Notes

Verify application-specific fitment before installation, especially on sport steering configurations and vehicles listed without outer tie rod ends. Inspect hydraulic lines, tie rod ends, and related steering components for wear before completing the repair. Proper alignment is recommended after rack and pinion replacement to restore steering geometry.

Quality Assurance

Each AAE unit undergoes inspection and hydraulic testing in the USA to confirm proper operation and fitment. Part number 6406N is backed by a 24-month or 24,000-mile warranty.