Sunsong 3403709 Power Steering Pressure Line Hose Assembly

Reliable Power Steering Pressure Line Hose for Volvo Models

The Sunsong 3403709 power steering pressure line hose assembly is designed specifically for Volvo vehicles including the S60, S80, V70, and XC70. Engineered to meet OEM specifications, this hose ensures consistent hydraulic pressure for smooth steering performance.

• Compatible with Volvo S60, S80, V70, and XC70 models
• Part number 3403709 for precise identification
• Constructed with durable CSM hose material for heat and abrasion resistance
• 11 mm captive o-ring fittings on both ends for secure connections
• Length of 90.6 inches (2300 mm) to match factory specifications
• No bracket included, designed for direct replacement
• Does not include a power steering switch port

Durable Construction and Precise Fitment

This Sunsong power steering pressure line hose assembly (part number 3403709) features captive o-ring fittings sized at 11 mm on both ends, ensuring leak-free connections within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which helps maintain system integrity under demanding conditions. With a length of 2300 mm (90.6 inches), it matches the original equipment dimensions for a direct fit on compatible Volvo models.

Compatible Volvo Models and Applications

This power steering pressure line hose assembly is compatible with the following Volvo vehicles:

• Volvo S60
• Volvo S80
• Volvo V70
• Volvo XC70

It is designed to replace worn or damaged pressure hoses that can cause steering difficulties or fluid leaks.

Common Issues Addressed by This Hose Assembly

• Power steering fluid leaks due to cracked or worn hoses
• Reduced steering responsiveness caused by pressure loss
• Noise or whining from the power steering pump due to inadequate fluid flow
• Overheating of the power steering system from compromised hose integrity
• Preventing contamination ingress through damaged fittings

Installation Notes and Technical Tips

Installation of the Sunsong 3403709 power steering pressure line hose assembly requires careful attention to ensure proper sealing and fitment. The captive o-ring fittings should be inspected and replaced if necessary to prevent leaks. This hose does not include a bracket, so the existing mounting hardware should be reused. The hose length and fitting sizes are designed to match factory specifications, facilitating a straightforward replacement. Refer to technical tip TT1000 for additional guidance during installation.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 3403709 hose assembly undergoes rigorous quality control to ensure resistance to heat, pressure, and abrasion. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.