Sunsong 3405057 Power Steering Pressure Line Hose Assembly

Volvo Power Steering Pressure Line Hose

Sunsong 3405057 is a power steering pressure line hose assembly built for direct replacement on select Volvo applications. It is made with CSM material, includes a bracket, and uses OE-style end fittings for a precise connection at the steering system.

• Power steering pressure line hose assembly for select Volvo S80, V70, XC60, and XC70 models
• Length: 78.82 in. (2002 mm)
• End 1 fitting: 16 mm male O-ring
• End 2 fitting: 9.8 mm ID hose
• Bracket included for proper routing and support
• CSM construction for fluid transfer service
• Built-in silencer for noise elimination on listed Volvo applications

Detailed Product Information

Sunsong 3405057 is engineered as a replacement power steering pressure hose for Volvo steering systems that require exact form, fit, and function. The hose assembly is listed for 2007-2010 Volvo S80, 2008-2010 Volvo V70, 2010 Volvo XC60, and 2008-2010 Volvo XC70. This part number, 3405057, is also referenced by Four Seasons 55339 and Gates 366088 for the same application.

The hose uses a 16 mm male O-ring connection on one end and a 9.8 mm ID hose connection on the other, with a bracket included to support correct installation and routing. The built-in silencer is noted for the listed Volvo fitments, helping maintain quieter steering operation. Sunsong develops automotive fluid transfer hoses and lines with a focus on OE-level fit and manufacturing consistency.

What This Hose Helps Address

• Power steering fluid leakage at the pressure line
• Loss of steering assist from a damaged hose assembly
• Noise from the steering system on listed Volvo applications
• Cracked, worn, or deteriorated pressure hose material
• Improper routing or support from a missing or damaged bracket

Installation Notes

Verify the end fitting sizes, hose routing, and vehicle application before installation. This hose is listed for 2007-2010 Volvo S80, 2008-2010 Volvo V70, 2010 Volvo XC60, and 2008-2010 Volvo XC70. Confirm that the existing steering line uses a male O-ring connection and ID hose connection matching this assembly.

Quality Assurance

Sunsong is a vertically integrated manufacturer focused on research, development, and production of automotive fluid transfer hoses and lines. The brand states that its products are built to meet and exceed industry quality standards while delivering exact form, fit, and function for OE-style replacement.