Sunsong 3402858 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear

Power Steering Pressure Line Hose Assembly

Sunsong 3402858 is a power steering pressure line hose assembly built for direct replacement service where a precise OE-style hydraulic line is needed. It is engineered for high-pressure steering systems and uses corrosion-resistant steel tubing with a zinc coating for added protection in harsh road conditions.

Fits 2006-2011 Honda Civic, steering pressure line applications. This Sunsong 3402858 hose assembly is also a fitment-based search match for Honda Civic power steering pressure hose replacement and OE-style steering line service.

Key Features

• Max working pressure rated to 1,500 psi
• Burst pressure rating of 8,700 psi
• Tensile strength rated at 1,600 lb
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered hose assembly for exact fit
• Male O-ring 18 mm end and female O-ring 16 mm end
• 35 in. overall length for the specified application
• CSM hose material for hydraulic steering service

Detailed Description

This power steering pressure line hose assembly is built to restore hydraulic steering flow between the pump and steering gear on the specified Honda Civic application. Sunsong 3402858 is manufactured to exceed original equipment performance standards, with pressure capacity and material strength selected for long-term durability in demanding steering systems. The steel tubing is zinc coated to help resist rust, road salt, water, grime, and high-humidity exposure, while the hose is engineered for exact fitment and reliable routing.

This part cross-references Dorman HELP 80689 for the same application. Search terms such as Honda Civic power steering pressure hose, steering pressure line hose assembly, and Sunsong 3402858 are commonly used when replacing a leaking or damaged hydraulic steering line.

What It Helps Fix

• Power steering fluid leaks from a cracked or worn pressure hose
• Loss of steering assist caused by pressure line failure
• Noise or stiffness from restricted hydraulic flow
• Corrosion damage on the original steel line
• Improper sealing at the O-ring fittings

Installation Notes and Tips

Verify the 18 mm male O-ring and 16 mm female O-ring end connections before installation. Confirm hose routing, length, and clearance against the original line to ensure proper fit on the Honda Civic application. Inspect mating seals and surrounding steering components for wear before reassembly, and follow the vehicle service procedure for bleeding the power steering system after installation.

Quality Assurance

Each hose is pressure tested before it leaves the factory to help support trouble-free installation and operation. Sunsong 3402858 is built with high-pressure steering service in mind and is manufactured to meet demanding replacement standards for the specified application.