Sunsong 3401186 Power Steering Return Line Hose Assembly - Intermediate Pipe

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3401186 power steering return line hose assembly is designed specifically for Toyota Highlander models. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance.

• Compatible with Toyota Highlander power steering systems
• 30.2 inches (767 mm) in length for precise fitment
• End 1 fitting: 3/8 inch ID hose connection
• End 2 fitting: 3/8 inch beaded tube connection
• Constructed with durable CSM hose material for heat and abrasion resistance
• Part number 3401186 for accurate identification and replacement

Detailed Product Description and Specifications

This power steering return line hose assembly from Sunsong features a 3/8 inch inner diameter hose fitting on one end and a 3/8 inch beaded tube fitting on the other, facilitating secure connections within the power steering system. The hose length of 30.2 inches (767 mm) is tailored to fit the routing requirements of the Toyota Highlander, ensuring proper fluid flow and system integrity. Made from chlorosulfonated polyethylene (CSM), the hose material offers resistance to heat, oil, and abrasion, which is critical for the demanding environment under the hood. The assembly is identified by part number 3401186, allowing for straightforward replacement and compatibility verification.

Common Applications and Problem Resolution

This Sunsong power steering return line hose assembly is used to replace worn or damaged return hoses in the power steering system of Toyota Highlander vehicles. It addresses several common issues including:

• Leaking power steering fluid due to cracked or deteriorated hoses
• Reduced steering responsiveness caused by fluid loss
• Hose swelling or softening from heat exposure
• Corrosion or damage to hose fittings leading to fluid leaks
• Preventing contamination and maintaining system pressure

Installation Notes and Technical Tips

When installing the Sunsong 3401186 power steering return line hose assembly, ensure the following:

• Verify the hose length and fitting sizes (3/8 inch ID hose and beaded tube) match the vehicle’s specifications
• Inspect all connections for secure fitment to prevent leaks
• Use the technical tip TT1000 for guidance on proper hose routing and securing
• Replace any worn clamps or seals during installation
• Bleed the power steering system after installation to remove air pockets

Quality Assurance and Warranty Information

Sunsong power steering components are manufactured to meet or exceed industry standards for durability and performance. The 3401186 hose assembly undergoes rigorous quality control to ensure resistance to heat, pressure, and chemical exposure typical in power steering systems. While specific warranty details may vary, Sunsong products generally include coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.