Sunsong 3404160 Power Steering Return Line Hose Assembly - Pipe To Cooler

Sunsong 3404160 Return Hose Assembly

The Sunsong 3404160 power steering return line hose assembly is built for low-pressure, high-temperature return-side service in the steering system. It is a direct-fit replacement for select Buick, GMC, Chevrolet, and Saturn applications, including Buick Enclave, GMC Acadia, Chevrolet Traverse, and Saturn Outlook models with pipe-to-cooler routing.

Key Features

• Max working pressure of 250 psi for return-line operation
• Suitable for low-pressure, high-temperature steering system use
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered fit for exact vehicle routing
• Includes required brackets, grommets, heat shields, bushings, and protective sleeves as specified for the application

Detailed Description

This Sunsong power steering return line hose assembly is engineered to restore the return path between the steering system and cooler on supported vehicles. The 3404160 is built with steel tubing protected by zinc coating to resist rust and corrosion from humidity, road salt, water, and grime. It is a fitment-based replacement for 2008-2017 Buick Enclave, 2007-2013 GMC Acadia, 2017 GMC Acadia, 2009-2013 Chevrolet Traverse, and 2007-2010 Saturn Outlook, all in the pipe to cooler position. This part cross-references Four Seasons 55449 for the same application.

Common Problems This Part Can Address

• Power steering fluid seepage from a worn return hose
• Corrosion on the original steel line or fittings
• Noise or inconsistent steering assist caused by restricted return flow
• Damage from heat, road debris, or underbody exposure
• Fitment issues after replacing a deteriorated pipe-to-cooler line

Installation Notes and Tips

Verify the vehicle’s steering return line routing and pipe-to-cooler configuration before installation. Compare the original line shape, bracket locations, and connection points to confirm the correct replacement. After installation, inspect all connections for leaks and check steering fluid level according to the vehicle service procedure. Fits 2008-2017 Buick Enclave, pipe to cooler. Fits 2007-2013 GMC Acadia, pipe to cooler. Fits 2017 GMC Acadia, pipe to cooler. Fits 2009-2013 Chevrolet Traverse, pipe to cooler. Fits 2007-2010 Saturn Outlook, pipe to cooler.

Quality Assurance

Sunsong manufactures this return hose assembly to meet original equipment performance standards for return-side steering service. The line is precision engineered for exact fit and built with corrosion-resistant materials to support long-term durability in demanding underbody conditions.