Sunsong 3403678 Power Steering Return Line Hose Assembly

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403678 power steering return line hose assembly is designed for reliable fluid return in the power steering system of select Infiniti models. Engineered to meet OEM specifications, this hose assembly ensures proper fit and function for Infiniti G25, G37, Q40, and Q60 vehicles.

• Compatible with Infiniti G25, G37, Q40, and Q60 models
• Part number 3403678 for precise identification
• 60.4 inches (1525 mm) in length for accurate fitment
• Constructed with durable CSM hose material for resistance to heat and wear
• 3/8 inch end fittings: id hose on one end and beaded tube on the other
• Includes technical tip TT1000 for installation guidance

Detailed Product Description and Specifications

This power steering return line hose assembly from Sunsong features a 3/8 inch id hose fitting on one end and a 3/8 inch beaded tube fitting on the other, providing secure connections within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its excellent resistance to heat, oil, and abrasion, which is critical for maintaining system integrity under demanding conditions. Measuring 60.4 inches (1525 mm) in length, this hose assembly is tailored to fit the power steering return line routing of Infiniti G25, G37, Q40, and Q60 models, ensuring proper fluid flow and system performance.

Applications and Common Issues Addressed

• Replacement of worn or leaking power steering return hoses
• Resolution of power steering fluid leaks causing low fluid levels
• Elimination of steering noise due to compromised hose integrity
• Prevention of power steering system pressure loss
• Restoration of proper fluid return flow to the power steering pump

Installation Notes and Tips

When installing the Sunsong 3403678 power steering return line hose assembly, ensure the correct orientation of the 3/8 inch id hose fitting and the beaded tube fitting to match the vehicle’s power steering system connections. Follow the technical tip TT1000 for best practices during installation, including proper tightening of fittings to avoid leaks and checking for clearance to prevent hose abrasion. It is recommended to inspect related components such as clamps and seals during replacement to maintain system reliability.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards, providing consistent quality and durability. The 3403678 hose assembly undergoes rigorous testing to ensure resistance to heat, pressure, and fluid compatibility. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in material and workmanship, offering confidence in the product’s performance for Infiniti G25, G37, Q40, and Q60 owners.