Sunsong 3404856 Power Steering Return Line Hose Assembly - Cooler Tube

Power Steering Return Hose for Impala

The Sunsong 3404856 power steering return line hose assembly is built for low-pressure, high-temperature return-side service. It is engineered for a precise OE-style fit on select Chevrolet Impala and Impala Limited applications, with corrosion-resistant steel tubing and a CSM hose section for dependable fluid routing.

For drivers searching for a power steering return hose for 2012-2016 Chevrolet Impala cooler tube applications, this assembly is made to restore the return path with the correct length, end fitting, and protective construction. The Sunsong 3404856 also cross-references Dorman - HELP 55553 and Gates 366389 for the same application.

Key Features

• Part number: 3404856
• Power steering return line hose assembly for low-pressure return-side use
• Max working pressure: 250 psi
• Steel tubing with zinc electroplating for corrosion and rust resistance
• CSM hose material for high-temperature operation
• Precision-engineered fit for select Chevrolet Impala and Impala Limited models
• End 1 fitting size: 16 mm, male
• Length: 63.8 in. (1620 mm)

Detailed Description

Sunsong 3404856 is a return hose assembly for steering systems that need a direct replacement on the cooler tube side. It is built to exceed original equipment performance standards in return-line service, where fluid flow is low pressure but heat exposure can be significant. The steel tubing is zinc plated to help resist road salt, water, humidity, grime, and other underbody contaminants. This part number 3404856 is a practical choice for restoring proper steering fluid return routing on 2012-2016 Chevrolet Impala and 2014-2016 Chevrolet Impala Limited models.

What It Helps Fix

• Steering fluid leaks at the return line
• Cracked or deteriorated hose material from heat exposure
• Corrosion on the original steel tubing
• Improper routing or fitment from a worn return hose assembly
• Noise or steering performance issues caused by restricted return flow

Installation Notes and Tips

Verify the cooler tube application, end fitting size, and overall length before installation. Inspect adjacent steering components, mounting points, and seals for wear before replacing the hose assembly. Confirm that the routing matches the original layout on your Chevrolet Impala or Impala Limited to ensure proper clearance and fluid return performance.

Quality Assurance

Sunsong manufactures this return hose assembly with precision-engineered dimensions and corrosion-resistant materials to meet OE-style performance expectations in steering return applications. The design focuses on restoring the original condition of wearable routing components while maintaining durability in demanding underbody environments.