Sunsong 3403823 Power Steering Return Line Hose Assembly - Hydroboost To Reservoir

Sunsong 3403823 Return Hose for Super Duty Steering

The Sunsong 3403823 power steering return line hose assembly is built for low-pressure, high-temperature return-side service and is engineered for exact fit on select Ford Super Duty applications. It is a direct replacement for the hydroboost-to-reservoir return line on 2003-2004 Ford F-250 Super Duty and F-350 Super Duty models.

• Return line hose assembly for power steering systems
• Max working pressure of 250 psi
• Suitable for low-pressure, high-temperature operation
• 3/8 in. ID hose ends on both sides
• 22 in. overall length for the specified routing
• CSM hose material for steering return service
• Fits 2003-2004 Ford F-250 Super Duty, hydroboost to reservoir
• Fits 2003-2004 Ford F-350 Super Duty, hydroboost to reservoir

Built for Exact Routing and Corrosion Resistance

This Sunsong 3403823 hose assembly is precision engineered to match the original routing and connection points on the listed Ford Super Duty trucks. The steel tubing is electroplated with a zinc coating to help resist rust and corrosion from humidity, road salt, water, and grime, making it a practical replacement for aging steering return lines on 2003-2004 Ford F-250 Super Duty and F-350 Super Duty models. This part cross-references Monroe Shocks & Struts 5521 for the same application.

Common Problems This Hose Can Address

• Leaking or damp power steering return line
• Cracked, hardened, or deteriorated hose material
• Corrosion on the return line tubing
• Restricted or damaged hydroboost-to-reservoir routing
• Steering fluid loss from worn return-side connections

Installation Notes and Tips

Verify the vehicle’s return-line routing before installation and confirm the 3/8 in. ID hose connections match the original setup. This assembly is specified for the hydroboost-to-reservoir position on the listed Ford trucks, so compare the existing line length, bends, and attachment points to ensure proper alignment. The part number 3403823 is also referenced by Gates 352526 for this application.

Quality Assurance

Sunsong states that its return hoses are manufactured to exceed original equipment performance standards for return-side steering service. The assembly is built with corrosion-resistant tubing and application-specific engineering to restore the original fit and function on the listed Ford Super Duty models.