Sunsong 3401604 Power Steering Pressure Line Hose Assembly

Power Steering Pressure Hose for OE Fitment

The Sunsong 3401604 power steering pressure line hose assembly is built for direct replacement on select Chevrolet and Buick applications. It is engineered to match OEM specifications for fit and function, with pressure-rated construction for dependable steering system performance.

Key Features

• Pressure hose assembly for power steering systems
• Max working pressure: 1,500 psi
• Burst pressure rating: 8,700 psi
• Tensile strength: 1,600 lb
• 39 in. overall length
• End fittings: 5/8 in. male inverted flare and 11/16 in. male inverted flare
• CSM hose material for durability in demanding underhood conditions
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance

Detailed Description

Sunsong 3401604 is a power steering pressure line hose assembly designed for direct OE-style replacement on 1971-1972 Buick LeSabre, 1972-1976 Chevrolet El Camino, and 1973-1976 Chevrolet Malibu. The hose is precision engineered to exact fit and built to restore original steering line routing and function on the listed vehicles. This part cross-references Gates 355260 for the same application.

The assembly uses high-grade steel tubing with a zinc coating to resist corrosion from humidity, road salt, water, and grime. Its pressure hose construction is rated for demanding steering system conditions, helping maintain stable hydraulic flow in the power steering circuit. The 3401604 part number is a direct reference for buyers searching for a replacement pressure line hose for Chevrolet El Camino, Chevrolet Malibu, or Buick LeSabre steering repair.

What It Helps Resolve

• Power steering fluid leaks from a worn or damaged pressure line
• Steering noise caused by pressure loss in the hydraulic circuit
• Hard steering from restricted or failing hose flow
• Corrosion-related hose deterioration in exposed underhood areas
• Fitment issues when replacing an OE-style pressure hose on the listed vehicles

Installation Notes and Tips

Verify end fitting sizes and hose routing before installation. This assembly uses 5/8 in. and 11/16 in. male inverted flare ends and measures 39 in. in length. Confirm the vehicle application against the listed fitment before ordering, especially when servicing a 1972-1976 Chevrolet El Camino, 1973-1976 Chevrolet Malibu, or 1971-1972 Buick LeSabre. The hose is factory pressure tested to support trouble-free installation and operation.

Quality Assurance

Each Sunsong pressure hose is subjected to high-pressure testing before it leaves the factory. The 3401604 is built to exceed original equipment performance standards for pressure, burst resistance, and tensile strength, supporting long-term durability in steering system service.