Sunsong 3404789 Power Steering Return Line Hose Assembly - Gear To Cooler

Power Steering Return Hose for Volvo XC90

Sunsong 3404789 is a power steering return line hose assembly built for the 2005-2011 Volvo XC90, gear to cooler position. It is engineered for low-pressure, high-temperature return flow and built to restore the steering system’s original routing and fit.

Key Features

• Fits 2005-2011 Volvo XC90, gear to cooler
• Return line hose assembly for power steering systems
• Maximum working pressure of 250 psi
• CSM hose material for return-line service
• 77.8 in. (1975 mm) length
• Includes bracket provision
• Precision-engineered fit for the listed application
• Part number 3404789

Detailed Description

This Sunsong power steering return line hose assembly is built for the Volvo XC90 return circuit between the steering gear and cooler. Part number 3404789 uses high-grade steel tubing with zinc electroplating for added resistance to corrosion, rust, humidity, road salt, water, and grime. The assembly is made to match the original routing and restore worn components in the steering return path.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Power steering fluid seepage in the return line
• Cracked or deteriorated hose material
• Corrosion on the original steel line
• Improper routing or fit from a worn hose assembly
• Noise or steering performance issues caused by restricted return flow

Installation Notes and Tips

Verify the vehicle is a 2005-2011 Volvo XC90 with the gear to cooler return-line configuration before ordering. Inspect the steering cooler, fittings, and adjacent lines for wear or contamination during replacement. Confirm the hose routing matches the original layout and check all connection points after installation.

Quality Assurance

Sunsong manufactures this hose assembly to exceed original equipment performance standards for return-hose service. The steel tubing is zinc-coated for improved resistance to environmental corrosion, and the assembly is precision engineered for the listed fitment.