Sunsong 3401220 Power Steering Return Line Hose Assembly - Gear To Cooler

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3401220 power steering return line hose assembly is designed for reliable fluid return in power steering systems. Engineered to meet the specifications of Lexus and Toyota vehicles, this hose assembly ensures proper fit and function for models like the 4Runner and GX470.

• Compatible with Lexus 4Runner and Toyota GX470 power steering systems
• End 1 and End 2 fitting size: 3/8 inch ID hose
• Constructed with durable CSM hose material for heat and abrasion resistance
• Overall length of 46.2 inches (1169 mm) for precise fitment
• Part number 3401220 for accurate identification and replacement

Detailed Product Description and Specifications

This Sunsong power steering return line hose assembly (part number 3401220) features 3/8 inch inner diameter hose fittings on both ends, designed as ID hose connections to ensure secure attachment to the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which is critical for maintaining system integrity under demanding operating conditions. Measuring 46.2 inches (1169 mm) in length, this hose assembly is tailored to fit the power steering return line routing on Lexus 4Runner and Toyota GX470 models, providing a direct replacement that meets OEM specifications.

Common Applications and Problem Resolution

This power steering return line hose assembly is used to return fluid from the steering gear back to the power steering pump reservoir. It addresses several common issues including:

• Leaking or cracked return hoses causing fluid loss
• Reduced steering performance due to hose deterioration
• Swollen or hardened hoses affecting fluid flow
• Contamination from hose material breakdown
• Incorrect hose length or fitting size causing installation issues

Installation Notes and Technical Tips

When installing the Sunsong 3401220 hose assembly, ensure the following:

• Verify the 3/8 inch ID hose fittings match the vehicle’s power steering connections
• Inspect the routing path to avoid kinks or sharp bends that could restrict fluid flow
• Use the Tech Tip TT1000 for guidance on proper hose installation and torque specifications
• Replace any worn clamps or fittings to maintain a secure seal

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet industry standards for durability and performance. The 3401220 hose assembly undergoes rigorous quality control to ensure compatibility with Lexus 4Runner and Toyota GX470 models. While specific warranty details may vary, Sunsong products typically include coverage against manufacturing defects to provide confidence in long-term use.