Sunsong 3605358 Power Steering Pressure Line Hose Assembly - Tube - To Rack

Power Steering Pressure Line for Audi S4 and RS4

This Sunsong power steering pressure line hose assembly is built for direct replacement on select Audi applications. It is engineered for the tube-to-rack position and uses steel construction with OE-style end fittings for a precise service fit.

Compatible with 2004-2009 Audi S4 and 2007-2008 Audi RS4, this part number 3605358 is a practical choice when replacing a leaking or damaged pressure line. Sunsong focuses on fluid transfer components with attention to exact form, fit, and function.

Key Features

• Part type: power steering pressure line hose assembly
• Brand: Sunsong
• Part number: 3605358
• Position: tube to rack
• Steel construction for durability in steering system service
• End 1 fitting type: female, size 16
• End 2 fitting type: banjo, size 14
• Bracket included: no
• Length: 22.72 in. / 577 mm

Detailed Description

Sunsong 3605358 is a power steering pressure line hose assembly made for select Audi steering systems. It is designed for the tube-to-rack routing used on 2004-2009 Audi S4 and 2007-2008 Audi RS4 models, helping restore proper hydraulic fluid transfer between the pump and steering rack. The steel line construction and OE-style female and banjo end connections support a direct-fit replacement approach for service work on these vehicles.

This part cross-references Dorman - HELP 80794 for the same application.

What This Part Helps Address

• Power steering fluid leaks from a damaged pressure line
• Loss of steering assist caused by restricted fluid flow
• Corrosion or fatigue in the original steel line
• Improper sealing at the hose-to-rack connection
• Noise or steering effort related to low hydraulic pressure

Installation Notes and Tips

Verify the tube-to-rack routing before installation and compare the end fittings to the original line. Inspect sealing surfaces, banjo hardware, and adjacent steering components for wear or contamination before reassembly. After installation, refill the system with the correct power steering fluid and bleed air from the hydraulic circuit according to the vehicle service procedure.

Quality Assurance

Sunsong is a vertically integrated manufacturer of automotive fluid transfer hoses and lines, with in-house research, development, and production. The brand emphasizes OE-level form, fit, and function for replacement steering and fluid transfer components.