Sunsong 3401478 Power Steering Pressure Line Hose Assembly

Power Steering Pressure Line Hose Assembly

Sunsong 3401478 is a power steering pressure line hose assembly built for direct replacement on select Chrysler, Dodge, and Plymouth vehicles. It is engineered to restore steering system pressure delivery with fitment-specific ends and corrosion-resistant tubing for long service life.

Compatible with 1988-1992 Chrysler and Dodge applications, including Daytona, LeBaron, Shadow, Spirit, Acclaim, Sundance, Dynasty, and New Yorker models, this hose assembly is built around the original routing and connection points. Sunsong 3401478 is a practical choice when replacing a worn or leaking pressure line on a Chrysler Daytona or Dodge Spirit.

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 fit with 16 mm male O-ring end 1 and 18 mm male O-ring end 2
• 40.6 in. (1031 mm) overall length
• CSM hose material for steering system service

Detailed Description

This power steering pressure line hose assembly is manufactured to exceed original equipment performance standards and is built for dependable pressure transfer in the steering system. The steel tubing is zinc-coated to resist rust and corrosion from humidity, road salt, water, and grime, while the hose construction is designed for long-term durability in demanding underhood conditions. Sunsong 3401478 is cross-referenced to Dorman - HELP 80277 and Gates 354010 for the same application.

Use this part number when servicing pressure line leaks or replacing a fatigued hose on vehicles such as the Chrysler LeBaron, Dodge Daytona, and Plymouth Acclaim. The exact-fit design helps maintain proper routing and connection alignment for a cleaner repair.

What It Helps Fix

• Power steering fluid leaks from a cracked or worn pressure hose
• Loss of steering assist caused by pressure line failure
• Corrosion damage on steel steering line tubing
• Improper hose fitment from an incorrect replacement part
• Noise or steering effort issues related to pressure loss in the system

Installation Notes and Tips

Verify the 16 mm male O-ring and 18 mm male O-ring connections before installation. Confirm hose length, routing, and mounting points against the original line on the vehicle. This assembly does not list a bracket or power steering switch port, so match the vehicle configuration before ordering. For best results, inspect related seals and system components during replacement and bleed the steering system after installation.

Quality Assurance

Each hose is pressure-tested before it leaves the factory to confirm proper operation and installation readiness. Sunsong 3401478 is built to meet demanding steering system requirements with corrosion-resistant materials and high-pressure durability for select Chrysler, Dodge, and Plymouth applications.