Sunsong 3404542 Power Steering Return Line Hose Assembly - From Gear

Power Steering Return Hose for Ford and Lincoln

Sunsong 3404542 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for direct fitment on select Ford Flex, Ford Taurus, Lincoln MKS, and Lincoln MKT applications, with corrosion-resistant steel tubing and protective components where required.

Key Features

• Return hose assembly for power steering systems
• Max working pressure of 250 psi for low-pressure return applications
• High-grade steel tubing with zinc electroplating for rust and corrosion resistance
• Precision-engineered fit for restored OE-style routing and alignment
• Includes brackets, grommets, heat shields, bushings, and protective sleeves as required
• Tech Tip: TT1000

Detailed Description

The Sunsong 3404542 power steering return line hose assembly is built to replace worn or corroded return-side plumbing on vehicles that use a gear-mounted return hose layout. It is compatible with 2011-2012 Ford Flex, 2011-2012 Ford Taurus, 2010-2012 Lincoln MKS, and 2011-2012 Lincoln MKT, all from gear. This part cross-references Four Seasons 55527 and Gates 366658 for the same application. The 3404542 uses steel tubing with zinc coating to help resist road salt, water, grime, and humidity while maintaining the routing and fit needed for proper steering system service.

Common Repair Uses

• Leaking power steering return line hose
• Corrosion on steel steering hose tubing
• Damaged hose routing or worn mounting points
• Fluid seepage at return-side connections
• Noise or steering performance issues caused by restricted return flow

Installation Notes and Tips

Verify the vehicle’s steering layout and match the from-gear configuration before installation. Inspect related brackets, grommets, bushings, heat shields, and sleeves during service so the replacement follows the original routing and clears heat and moving components. Confirm hose connections are clean and properly seated before refilling and bleeding the power steering system.

Quality Assurance

Sunsong manufactures this return hose assembly to meet original equipment performance standards for return-side steering service. The zinc-plated steel construction and precision fit support durable replacement performance on Ford Flex, Ford Taurus, Lincoln MKS, and Lincoln MKT applications.