Sunsong 3403667 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Power Steering Return Line Hose Assembly Overview

The Sunsong 3403667 power steering return line hose assembly is designed for reliable fluid return in power steering systems. Engineered to fit select INFINITI and Nissan models, this hose assembly ensures proper hydraulic function and durability.

• Compatible with INFINITI Armada, QX56, and Nissan Pathfinder Armada, TITAN
• Length: 83.3 inches (2116 mm) for precise fitment
• End 1 fitting: 3/8 inch ID hose connection
• End 2 fitting: 3/8 inch beaded tube connection
• Constructed with CSM hose material for heat and abrasion resistance
• Part number 3403667 for accurate identification

Detailed Product Description

This Sunsong power steering return line hose assembly (part number 3403667) is manufactured with a durable CSM (chlorosulfonated polyethylene) hose material, providing resistance to heat, oil, and wear. The hose measures 83.3 inches (2116 mm) in length, ensuring compatibility with the power steering systems of INFINITI Armada, QX56, and Nissan Pathfinder Armada and TITAN models. The assembly features a 3/8 inch ID hose fitting on one end and a 3/8 inch beaded tube fitting on the other, designed to maintain secure connections and prevent leaks under pressure.

Applications and Common Issues Addressed

• Replacement of worn or cracked power steering return hoses
• Resolving fluid leaks causing low power steering fluid levels
• Eliminating steering noise or difficulty due to hose failure
• Preventing contamination of power steering fluid from external debris
• Maintaining proper hydraulic pressure for smooth steering response

Installation Notes and Tips

When installing the Sunsong 3403667 power steering return line hose assembly, ensure the vehicle is securely lifted and the power steering system is depressurized. Verify the hose length and fitting types match the original equipment. Use appropriate clamps and torque specifications to avoid leaks. The hose’s CSM material allows for some flexibility during installation but avoid sharp bends or kinks. Follow the Tech Tip TT1000 for additional guidance on installation procedures.

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3403667 hose assembly undergoes rigorous testing to ensure resistance to heat, pressure, and abrasion. While specific warranty details may vary, Sunsong products typically include coverage against manufacturing defects to provide confidence in long-term use.