Sunsong 3402856 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Sunsong 3402856 Power Steering Pressure Line Hose

The Sunsong 3402856 power steering pressure line hose assembly is built for direct replacement on select Ram and Dodge Ram hydroboost applications. It is engineered to handle demanding steering system pressure while maintaining a precise fit for pump-to-hydroboost routing.

• Max working pressure: 1,500 psi
• Burst pressure rating: 8,700 psi
• Tensile strength: 1,600 lb
• 39 in. overall length for the specified routing
• End 1: 18 mm female O-ring
• End 2: 16 mm male O-ring
• CSM hose material for durability in steering service
• High-grade steel tubing with zinc electroplating for corrosion resistance
• High-pressure tested before shipment

Detailed Application Coverage

Built for pump to hydroboost routing, this pressure line hose assembly is compatible with 2011-2012 Ram 1500, 2012 Ram 2500, 2012 Ram 3500, and 2011-2012 Ram 4000 with hydroboost and chassis cab notes where listed. It also fits 2010 Dodge Ram 2500, 2009 Dodge Ram 2500 with hydroboost systems and power steering return line end fitting notes, and 2009 Dodge Ram 3500. Sunsong 3402856 is a direct-fit steering hose solution for owners replacing a worn or leaking line on these Ram and Dodge Ram trucks.

This part cross-references Gates 352264 for the same application.

What This Hose Helps Address

• Power steering fluid leaks at the pressure line
• Loss of steering assist from a damaged hose
• Corrosion on exposed steel tubing
• Pressure-related hose failure in hydroboost-equipped trucks
• Fitment issues caused by incorrect end fittings or length

Installation Notes and Tips

Verify the end fitting sizes and routing before installation: 18 mm female O-ring on one end and 16 mm male O-ring on the other. This hose is specified for pump-to-hydroboost applications and does not include a bracket or PS switch port. Confirm vehicle configuration, especially hydroboost and chassis cab notes, to match the listed fitment for your Ram or Dodge Ram.

Quality Assurance

Each Sunsong 3402856 hose is pressure tested at the factory before it leaves production. The assembly is engineered to meet or exceed original equipment performance standards for pressure capacity, burst resistance, and corrosion protection.