Sunsong 3404907 Power Steering Return Line Hose Assembly - Gear To Cooler

Ford E-Series Power Steering Return Hose

The Sunsong 3404907 power steering return line hose assembly is built for low-pressure, high-temperature return-side service in Ford E-Series applications. It is engineered for a precise fit on the gear-to-cooler routing and uses corrosion-resistant steel tubing with a zinc coating for added durability in harsh underbody conditions.

Key Features

• Fits gear-to-cooler power steering return line applications on select Ford E-150, E-250, E-350 Super Duty, and Econoline models
• Max working pressure of 250 psi for return-side steering system service
• High-grade steel tubing with zinc electroplating for resistance to rust, road salt, water, grime, and humidity
• Precision-engineered hose assembly for exact fitment
• Hose material: CSM
• End 1 fitting size: 16 mm male
• Length: 29.5 in. (750 mm)

Detailed Description

Sunsong 3404907 is a power steering return line hose assembly for Ford E-Series vans and wagons with gear-to-cooler routing. It is a direct-fit replacement for applications such as the Ford E-150, Ford E-250, and Ford E-350 Super Duty, helping restore proper fluid return flow in the steering system. This part cross-references Monroe Shocks & Struts 5760 for the same application.

Built to exceed original equipment performance standards, this return hose assembly uses steel tubing with zinc plating to help protect against corrosion in demanding driving environments. The hose is engineered to match the original routing and dimensions, making it a practical replacement for worn, leaking, or rusted steering return lines. Part number 3404907 is also referenced in related aftermarket listings for the same Ford E-Series coverage.

What It Is Used For

• Replacing a leaking power steering return hose on Ford E-Series vehicles
• Restoring fluid transfer between the steering gear and cooler
• Addressing rusted or corroded return line tubing
• Correcting steering fluid seepage at the return-side hose assembly
• Maintaining proper power steering system operation on high-mileage vans

Installation Notes and Tips

Verify the vehicle’s year, model, and gear-to-cooler routing before installation. This assembly is listed for 2002-2006 Ford E-150, 2003-2006 Ford E-250, 1999-2006 Ford E-350 Super Duty, 1999-2006 Ford Econoline, 2003-2005 Ford E-150 Club Wagon, 2002-2005 Ford E-350 Club Wagon, 1997-2002 Ford E-150 Econoline, 1997-2002 Ford E-150 Econoline Club Wagon, 1997-2002 Ford E-250 Econoline, 1997-2002 Ford E-350 Econoline Club Wagon, and 1997-2000 Ford E-350 Econoline. Confirm the 16 mm male end fitting and 29.5 in. length match the original hose before service.

Quality Assurance

Sunsong manufactures this hose assembly with corrosion-resistant materials and application-specific engineering to support reliable steering return-line service. The design focuses on restoring original routing and fit for Ford E-Series power steering systems.