Atlantic Automotive Enterprises 3904N Rack and Pinion Assembly

Hydraulic Rack and Pinion for Kia and Hyundai

Atlantic Automotive Enterprises Part Number 3904N is a new hydraulic power steering rack and pinion complete unit built for direct replacement on select Kia Sorento and Hyundai Santa Fe applications. It is engineered for accurate steering response, OE-style fitment, and dependable hydraulic operation.

This AAE New Rack and Pinion Complete Unit line focuses on application-specific steering replacements that are inspected and tested in the USA for proper operation and fitment. For drivers searching for a 2011-2013 Kia Sorento rack and pinion or a 2010-2012 Hyundai Santa Fe steering rack, 3904N provides a direct-fit solution without a core charge.

Key Features

• 100% inspected and hydraulically tested in the USA
• Application-specific design for confirmed vehicle fitment
• Supplied with inner tie rods
• New bellows secured with OE stainless steel clamps to help keep out dirt and debris
• Engineered to meet or exceed OE specifications for performance, fit, and function
• No core charge

Detailed Description

AAE Part Number 3904N is a hydraulic rack and pinion assembly for steering systems that require a complete replacement unit. It is built with OE-quality components and undergoes inspection and hydraulic testing in the USA to verify operation before it leaves the factory. The complete-unit design supports consistent steering feel and proper alignment of the hydraulic steering system on compatible Kia Sorento and Hyundai Santa Fe models.

Compatible With 2011-2013 Kia Sorento, N/A, and 2010-2012 Hyundai Santa Fe, N/A. This part cross-references OE numbers 577000W100 and 577001U000 for the same application.

Common Steering Issues It May Address

• Excessive steering play or loose steering feel
• Hydraulic fluid leaks from the rack and pinion assembly
• Rough, inconsistent, or delayed steering response
• Worn internal steering components affecting vehicle control
• Damaged bellows or contamination entering the steering rack

Installation Notes and Tips

Before installation, inspect the steering system for worn outer tie rod ends, damaged hoses, and alignment-related issues. Because this is an application-specific hydraulic steering component, proper bleeding of the power steering system and a professional wheel alignment after installation are recommended. Verify vehicle fitment by year, make, and model before ordering.

Quality Assurance

AAE manufactures this rack and pinion assembly with OE-quality components and tests each unit in the USA for proper operation and fitment. Warranty coverage is 24 months or 24,000 miles.