Sunsong 3402509 Power Steering Return Line Hose Assembly - From Gear

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402509 power steering return line hose assembly is designed specifically for Toyota Sienna models. This durable hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance and system integrity.

• Compatible with Toyota Sienna power steering systems
• Length: 34 inches (865 mm) for precise fitment
• End 1 fitting: 3/8 inch beaded tube
• End 2 fitting: 17 mm male o-ring
• Constructed with CSM hose material for durability
• No bracket included, designed for direct replacement
• Part number 3402509 for accurate identification

Detailed Product Description

The Sunsong 3402509 power steering return line hose assembly is engineered to meet the specifications required by Toyota Sienna vehicles. Featuring a 34-inch length, this hose assembly connects the power steering components with a 3/8 inch beaded tube fitting on one end and a 17 mm male o-ring fitting on the other. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, ensuring long-lasting performance under demanding conditions. This assembly does not include a bracket or a power steering switch port, focusing on a straightforward replacement part that fits precisely without modification.

Common Applications and Problem Resolution

• Replacement of worn or leaking power steering return line hoses on Toyota Sienna
• Eliminates power steering fluid leaks that cause steering difficulty
• Prevents air intrusion into the power steering system
• Restores proper fluid flow to maintain steering responsiveness
• Addresses hose damage from heat, abrasion, or aging

Installation Notes and Tips

When installing the Sunsong 3402509 hose assembly, ensure the vehicle is safely lifted and the power steering system is depressurized. Verify the hose length and fitting types match the original equipment. The 3/8 inch beaded tube and 17 mm male o-ring fittings should seat securely to prevent leaks. No bracket is included, so reuse the existing mounting hardware if applicable. After installation, bleed the power steering system to remove air and check for leaks before road testing.

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for fit, form, and function. The 3402509 hose assembly undergoes rigorous quality control to ensure durability and reliability in Toyota Sienna vehicles. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.