Sunsong 3402676 Power Steering Pressure Line Hose Assembly

Power Steering Pressure Line Hose for Sienna

The Sunsong 3402676 power steering pressure line hose assembly is built for 2007-2010 Toyota Sienna applications and is engineered to restore steering system pressure delivery. It uses high-grade steel tubing with zinc electroplating for added resistance to corrosion from humidity, road salt, water, and grime.

With OE-style fitment details and pressure testing before shipment, this pressure hose is a direct replacement choice for Toyota Sienna power steering hose service. The Sunsong 3402676 is specified with a 16 mm banjo end and a 16 mm male O-ring end for the listed vehicle application.

Key Features

• Fits 2007-2010 Toyota Sienna, N/A
• Power steering pressure line hose assembly for steering system repair
• 16 mm banjo fitting on End 1 and 16 mm male O-ring fitting on End 2
• 55.6 in. (1412 mm) hose length
• CSM hose material for pressure-line service
• High-grade steel tubing with zinc coating for corrosion resistance
• Factory pressure tested before leaving the manufacturer
• Cross-references Dorman - HELP 55101 and Gates 365843 for the same application

Detailed Description

Sunsong 3402676 is a power steering pressure line hose assembly made for 2007-2010 Toyota Sienna models. It is engineered to meet original equipment performance standards with a maximum working pressure of 1,500 psi, a burst pressure rating of 8,700 psi, and a tensile strength of 1,600 lb. The hose assembly uses precision-engineered dimensions to support proper routing and connection at the steering system.

This Toyota Sienna power steering pressure hose replacement includes the specified 16 mm banjo and 16 mm male O-ring end fittings and is built with corrosion-resistant steel tubing to help withstand harsh underbody conditions. The Sunsong 3402676 part number is a practical match for pressure line service where the original hose has leaked, cracked, or lost hydraulic integrity.

Common Problems This Part Can Address

• Power steering fluid leaks from a damaged pressure hose
• Hard or inconsistent steering effort caused by pressure loss
• Cracked, corroded, or worn hose tubing
• Noise or vibration related to low hydraulic pressure
• Failed hose fittings at the steering pressure line connection

Installation Notes and Tips

Verify the end fitting sizes and hose routing against the original part before installation. For 2007-2010 Toyota Sienna service, confirm the banjo and male O-ring connections match the vehicle’s steering system layout and inspect nearby lines, seals, and mounting points for wear before reassembly.

Because this is a pressure line hose assembly, clean the connection points carefully and check the system for leaks after installation. The Sunsong 3402676 is factory tested for pressure integrity to support trouble-free installation and operation.

Quality Assurance

Each hose is pressure tested at the factory before shipment. Sunsong builds this assembly to exceed original equipment performance standards, with corrosion-resistant steel tubing and exact-fit engineering for the listed Toyota Sienna applications.