Sunsong 3403990 Power Steering Return Line Hose Assembly - Cooler Tube

Sunsong 3403990 Return Hose for Sonata

The Sunsong 3403990 power steering return line hose assembly is built for low-pressure, high-temperature return-side service and direct replacement on select Hyundai applications. It is engineered for 2006-2009 Hyundai Sonata cooler tube fitment and follows exact-fit requirements for a cleaner repair.

Key Features

• Fits 2006-2009 Hyundai Sonata, cooler tube
• Return line hose assembly for power steering systems
• Rated for up to 250 psi maximum working pressure
• Built for low-pressure, high-temperature operation
• Steel tubing with zinc electroplating for corrosion resistance
• Includes required brackets, grommets, heat shields, bushings, and protective sleeves as needed for original-condition restoration

Product Details

This Sunsong power steering return line hose assembly is made to restore the return-side routing on the Hyundai Sonata while matching OE-style fit and function. The steel tubing construction and zinc coating help resist rust and corrosion from humidity, road salt, water, and grime. Part number 3403990 is a direct-fit service solution for the cooler tube position on 2006-2009 Hyundai Sonata models, and it cross-references Hyundai 575503K050 for the same application.

Common Repair Uses

• Leaking or cracked power steering return hose
• Corrosion on the cooler tube line
• Damaged hose routing or worn mounting points
• Power steering fluid seepage at the return line
• Restoring proper return-side fluid flow on a Hyundai Sonata

Installation Notes

Verify the cooler tube routing and compare the original line before installation. Inspect adjacent brackets, bushings, and protective sleeves for wear, and replace any damaged related components during service. Confirm the vehicle is a 2006-2009 Hyundai Sonata before ordering or installing Sunsong 3403990.

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-side steering service. The corrosion-resistant steel construction and exact-fit engineering support a repair that follows OE-style specifications for the Sonata application.