Sunsong 3403976 Power Steering Reservoir Hose - Reservoir To Pump

Power Steering Reservoir Hose for Ford and Lincoln

Sunsong 3403976 is a power steering reservoir hose for reservoir-to-pump routing on select Ford Expedition and Lincoln Navigator models. It is built for low-pressure, high-temperature return service and is engineered to match the original hose routing and fitment.

Key Features

• Fits 2011-2017 Ford Expedition, reservoir to pump
• Fits 2011-2017 Lincoln Navigator, reservoir to pump
• Max working pressure rated at 250 psi for return-side steering service
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Precision-engineered to exact fit for OE-style routing
• Includes required brackets, grommets, heat shields, bushings, and protective sleeves when applicable

Detailed Description

This Sunsong power steering reservoir hose, part number 3403976, is made for reservoir-to-pump applications on the Ford Expedition and Lincoln Navigator. It is designed to restore the return hose path with the correct fit and routing, while the steel construction and zinc coating help resist humidity, road salt, water, and grime. This part cross-references Ford OE numbers BL1Z3691A and BL1Z3691D for the same application.

Common Problems It Can Solve

• Power steering fluid seepage from a worn return hose
• Corrosion on the original steel hose assembly
• Heat-related hose deterioration in the engine bay
• Improper routing or fit after hose replacement
• Noise or steering performance issues caused by fluid loss

Installation Notes and Tips

Verify reservoir-to-pump routing before installation and compare the original hose shape, bracket locations, and connection points. Inspect mating fittings, seals, and nearby steering components for wear or contamination before reassembly. Confirm fitment by vehicle year, make, model, and position before ordering.

Quality Assurance

Sunsong manufactures this hose to meet original equipment performance standards for return-hose service, with materials selected for corrosion resistance and durable operation in high-temperature environments.