Sunsong 3405079 Power Steering Return Line Hose Assembly - Gear To Cooler

Power Steering Return Hose for Ram

Sunsong 3405079 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for direct replacement on select Dodge Ram 2500 and Ram 3500 applications, with exact-fit routing for the gear-to-cooler position.

• Part number: 3405079
• Material: NBR
• Return hose assembly for low-pressure steering fluid flow
• End 1 fitting: 20 mm male O-ring
• End 2 fitting: 16 mm ID hose
• Maximum working pressure: 250 psi
• Compatible With 2005-2008 Dodge Ram 2500, gear to cooler
• Compatible With 2005-2007 Dodge Ram 3500, gear to cooler

Built for OE-Style Routing

This Sunsong power steering return line hose assembly is made to restore the return path between the steering gear and cooler on Dodge Ram trucks. The NBR hose construction supports fluid transfer in hot operating conditions, while the precision-engineered fit helps maintain the original routing and connection points. Part number 3405079 is a direct-fit option for Ram 2500 and Ram 3500 models listed below.

This part cross-references Dorman - HELP 80679 and Gates 352255 for the same application.

Common Problems It Can Address

• Power steering fluid seepage at the return hose
• Cracked or hardened hose material from heat exposure
• Corrosion-related deterioration in the steering line assembly
• Restricted fluid return between the steering gear and cooler
• Noise or poor steering feel caused by a worn return line

Installation Notes

Verify the end fittings, hose routing, and gear-to-cooler configuration before installation. Inspect related clamps, seals, and mounting points for wear, and replace any damaged components during service to help restore the steering system to proper condition. Confirm fitment by year, make, model, and position before ordering.

Quality Assurance

Sunsong manufactures this return hose assembly with high-grade steel tubing and zinc electroplating for improved resistance to rust and corrosion from humidity, road salt, water, and grime. The assembly is precision engineered for exact fit and built to meet or exceed original equipment performance standards for return-hose service.