Sunsong 3402378 Power Steering Pressure Line Hose Assembly - From Pump

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3402378 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Mercury and Nissan vehicles. Engineered to meet specific fitment requirements, this hose assembly supports the power steering system in Mercury Quest and Nissan Villager models.

• Compatible with Mercury Quest and Nissan Villager
• Part number 3402378 for precise identification
• 35.3 inches (896 mm) in length for exact fit
• End 1 fitting: 16 mm banjo type
• End 2 fitting: 14 mm female inverted flare
• Constructed with durable CSM hose material
• No bracket included, designed for direct installation
• Does not include a power steering switch port

Detailed Product Description and Specifications

This Sunsong power steering pressure line hose assembly (part number 3402378) is manufactured with CSM (chlorosulfonated polyethylene) hose material, known for its resistance to heat, oil, and abrasion. The hose measures 35.3 inches (896 mm) in length, ensuring compatibility with the hydraulic routing in Mercury Quest and Nissan Villager vehicles. The assembly features a 16 mm banjo fitting on one end and a 14 mm female inverted flare fitting on the other, providing secure and leak-resistant connections within the power steering system. This hose does not include a bracket or a power steering switch port, simplifying installation in applications where these components are not required.

Common Applications and Problem Resolution

This power steering pressure line hose assembly is used to maintain proper hydraulic pressure and fluid flow in the power steering system. It addresses several common issues, including:

• Leaking or cracked power steering hoses causing fluid loss
• Reduced steering responsiveness due to pressure loss
• Noise or whining from air entering the hydraulic system
• Preventing contamination and maintaining system integrity
• Replacing worn or damaged hoses to avoid steering failure

Installation Notes and Technical Tips

When installing the Sunsong 3402378 hose assembly, ensure the correct orientation of the 16 mm banjo and 14 mm female inverted flare fittings. The hose length of 35.3 inches (896 mm) should match the vehicle’s routing without stretching or kinking. No bracket is included, so verify existing mounting points for secure attachment. The hose material (CSM) requires careful handling to avoid damage during installation. Refer to technical tip TT1000 for additional guidance on installation procedures and torque specifications.

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet industry standards for durability and performance. The 3402378 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms related to this power steering pressure line hose assembly.