Sunsong 3402987 Power Steering Return Line Hose Assembly

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402987 power steering return line hose assembly is designed specifically for Toyota Tundra 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 Tundra power steering systems
• End 1 fitting: 3/8 inch ID hose
• End 2 fitting: 17 mm male o-ring
• Hose material: CSM (Chlorosulfonated Polyethylene) for durability
• Overall length: 79.7 inches (2025 mm)
• Part number: 3402987

Detailed Product Description and Specifications

This Sunsong power steering return line hose assembly (part number 3402987) features a 3/8 inch ID hose fitting on one end and a 17 mm male o-ring fitting on the other, providing a secure and leak-resistant connection within the power steering system. The hose is constructed from CSM material, known for its resistance to heat, ozone, and hydraulic fluids, which contributes to long service life under demanding conditions. Measuring 79.7 inches (2025 mm) in length, this hose assembly is tailored to fit the Toyota Tundra, ensuring proper routing and fitment without modifications.

Applications and Common Issues Addressed

• Replacement for worn or cracked power steering return hoses on Toyota Tundra
• Prevents fluid leaks that can cause steering difficulty or pump damage
• Resolves power steering noise caused by air entering the system
• Addresses hose swelling or softening due to heat exposure
• Restores proper fluid flow to maintain steering responsiveness

Installation Notes and Technical Tips

When installing the Sunsong 3402987 power steering return line hose assembly, ensure all fittings are clean and free of debris before connection. The 3/8 inch ID hose end should be securely clamped, and the 17 mm male o-ring fitting must seat properly to prevent leaks. The hose length of 79.7 inches allows for correct routing along the factory path. Refer to technical tip TT1000 for additional installation guidance specific to this hose assembly.

Quality Assurance and Warranty Information

Sunsong manufactures this power steering return line hose assembly to meet or exceed OEM standards for durability and performance. The use of CSM hose material ensures resistance to common power steering fluid contaminants and environmental factors. While specific warranty details may vary, Sunsong products typically come with a limited warranty against defects in materials and workmanship, providing confidence in the product's reliability for Toyota Tundra owners.