Sunsong 3402674 Power Steering Pressure Line Hose Assembly

Sunsong 3402674 Power Steering Pressure Hose

The Sunsong 3402674 power steering pressure line hose assembly is built for 2005-2013 Toyota Tacoma applications and is engineered to restore steering system pressure transfer with a direct-fit replacement. It uses high-grade steel tubing with zinc electroplating for added resistance to rust and corrosion in demanding road conditions.

With a 1,500 psi maximum working pressure, 8,700 psi burst pressure rating, and 1,600 lb tensile strength, this pressure hose is built to meet demanding steering system requirements on the Toyota Tacoma.

Key Features

• Fits 2005-2013 Toyota Tacoma, N/A
• Part number 3402674 for direct application lookup
• 16 mm banjo end fitting on one side
• 16 mm male O-ring end fitting on the other side
• 45.1 in. (1145 mm) hose length
• CSM hose material for steering fluid service
• High-grade steel tubing with zinc coating for corrosion resistance
• Pressure-rated construction with factory high-pressure testing

Detailed Description

Sunsong 3402674 is a power steering pressure line hose assembly for the Toyota Tacoma that follows OE-style fitment and connection points. The hose is precision engineered to match the original routing and sealing requirements, helping maintain proper steering assist response and fluid transfer under pressure. This part number 3402674 is a direct replacement choice for 2005-2013 Toyota Tacoma steering repairs where the pressure line has leaked, cracked, or corroded.

This part cross-references Dorman - HELP 92423 for the same application.

What It Helps Fix

• Power steering fluid leaks from a damaged pressure hose
• Loss of steering assist caused by pressure line failure
• Corrosion-related hose or tube deterioration
• Cracked or worn hose material from age and heat exposure
• Steering noise or inconsistent hydraulic pressure from a compromised line

Installation Notes and Tips

Confirm end fitting sizes and routing before installation: this hose uses a 16 mm banjo fitting and a 16 mm male O-ring fitting. Verify the vehicle is a 2005-2013 Toyota Tacoma and inspect mating seals, brackets, and nearby components for wear or damage before completing the repair. Proper torque and clean sealing surfaces are important for leak-free operation.

Quality Assurance

Each Sunsong pressure hose is factory pressure tested before shipment. The construction is specified to exceed original equipment performance standards, with corrosion-resistant tubing and high-strength pressure ratings for dependable service on Toyota Tacoma steering systems.