Sunsong 3401640 Power Steering Pressure Line Hose Assembly

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401640 power steering pressure line hose assembly is designed specifically for Nissan Pathfinder models. Engineered to meet OEM specifications, this hose assembly ensures reliable hydraulic fluid transfer within the power steering system.

• Compatible with Nissan Pathfinder vehicles
• Part number 3401640 for precise identification
• 77.4 inches (1965 mm) in length for exact fitment
• 16 mm banjo fittings on both ends for secure connections
• Constructed with durable CSM hose material
• Includes power steering switch port for system integration
• No bracket included

Detailed Product Description

This Sunsong power steering pressure line hose assembly (part number 3401640) features 16 mm banjo fittings on both ends, providing a secure and leak-resistant connection to the power steering pump and steering gear. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which is critical for maintaining system integrity under demanding conditions. Measuring 77.4 inches (1965 mm) in length, this hose assembly is designed to fit Nissan Pathfinder models precisely, ensuring proper routing and installation without modifications. Additionally, the inclusion of a power steering switch port allows for integration with the vehicle’s power steering system sensors.

Common Applications and Issues Addressed

• Replacement of worn or leaking power steering pressure hoses on Nissan Pathfinder
• Resolving power steering fluid leaks that cause steering difficulty
• Eliminating hose swelling or cracking due to age or heat exposure
• Restoring proper hydraulic pressure for smooth steering response
• Addressing power steering warning light issues related to pressure line faults

Installation Notes and Tips

• Ensure the vehicle is cooled and depressurized before removal
• Verify the 16 mm banjo fittings match the existing system connections
• Inspect and replace any worn washers or seals during installation
• Use the included power steering switch port as required by the vehicle’s system
• Follow torque specifications for banjo bolt fittings to prevent leaks

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3401640 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and chemical exposure. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term reliability for Nissan Pathfinder power steering systems.