Sunsong 3402405 Power Steering Return Line Hose Assembly - Gear To Reservoir

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3402405 power steering return line hose assembly is designed specifically for Buick DTS and Cadillac Lucerne models. This durable hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance.

• Compatible with Buick DTS and Cadillac Lucerne vehicles
• Length: 118 inches (2997 mm) for precise fitment
• End 1 fitting: 3/8 inch beaded tube
• End 2 fitting: 16 mm male o-ring
• Constructed with CSM hose material for durability
• No bracket included
• Part number: 3402405

Detailed Product Description

This power steering return line hose assembly from Sunsong is engineered to meet the specifications required by Buick DTS and Cadillac Lucerne models. The hose measures 118 inches (2997 mm) in length, providing an exact fit for the return line routing. It features a 3/8 inch beaded tube fitting on one end and a 16 mm male o-ring fitting on the other, ensuring secure connections within the power steering system. The hose material is CSM (chlorosulfonated polyethylene), known for its resistance to heat, oil, and abrasion, which contributes to the longevity and reliability of the component. This assembly does not include a bracket or a power steering switch port, aligning with the original equipment design.

Common Applications and Issues Addressed

• Replacement of worn or leaking power steering return line hoses
• Resolving power steering fluid leaks that cause steering difficulty
• Preventing contamination and maintaining proper fluid flow in the power steering system
• Eliminating noise or vibration caused by damaged return lines
• Restoring proper hydraulic pressure for smooth steering response

Installation Notes and Tips

When installing the Sunsong 3402405 power steering return line hose assembly, ensure the fittings match the original equipment specifications: a 3/8 inch beaded tube on one end and a 16 mm male o-ring on the other. The hose length of 118 inches (2997 mm) should be verified against the vehicle’s routing path. No bracket is included, so reuse the existing bracket if applicable. Follow proper torque specifications for fittings to prevent leaks. Refer to technical tips Tt1000 and Tt1001 for additional installation guidance.

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for fit, form, and function. The 3402405 hose assembly undergoes rigorous quality control to ensure durability and performance in Buick DTS and Cadillac Lucerne vehicles. Warranty coverage details should be confirmed with the parts provider, as Sunsong typically offers limited warranties against defects in material and workmanship.