Sunsong 3404786 Power Steering Return Line Hose Assembly - From Gear

Power Steering Return Hose for GM Fitment

The Sunsong 3404786 power steering return line hose assembly is built for low-pressure, high-temperature return-side service. It is a direct-fit replacement for select Chevrolet Impala and Chevrolet Monte Carlo applications, with exact-fit engineering to help restore the original routing and connection points.

For buyers searching for a 2006-2009 Chevrolet Impala power steering return hose or a 2006-2007 Chevrolet Monte Carlo return line hose assembly, this part number 3404786 provides the correct fitment details and OE-style construction.

Key Features

• Power steering return line hose assembly for return-side fluid flow
• Max working pressure of 250 psi for low-pressure steering return service
• CSM hose material for heat and fluid resistance
• 16 mm male end 1 fitting
• Bracket included for proper mounting and routing
• Length: 180.3 in. (4580 mm)
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered to exact fit for the listed Chevrolet applications

Detailed Description

Sunsong 3404786 is a power steering return line hose assembly made for the return side of the steering system, where fluid moves back from the gear under low pressure and elevated temperature. The hose uses CSM material and steel tubing with zinc coating to resist rust and corrosion from humidity, road salt, water, and grime. This helps maintain proper routing and long-term durability in demanding underbody conditions.

This part cross-references Dayco 85046 and Gates 366365 for the same application. It is listed for Fits 2006-2009 Chevrolet Impala, From Gear, Includes Cooler Tube and Fits 2006-2007 Chevrolet Monte Carlo, From Gear, Includes Cooler Tube. Part number 3404786 is a direct-fit option for owners replacing a worn or leaking return hose on these GM sedans.

What It Helps Fix

• Power steering fluid leaks from the return line
• Cracked, hardened, or heat-damaged hose material
• Corrosion at steel tube sections or mounting points
• Improper hose routing or fitment after prior repairs
• Noise or steering performance issues caused by fluid loss

Installation Notes

Verify the end fitting size, bracket location, and routing before installation. This assembly is listed with a 16 mm male end fitting, a bracket, and a 180.3-inch overall length. Confirm the vehicle uses the From Gear routing and includes the cooler tube configuration shown in the fitment data for Chevrolet Impala and Chevrolet Monte Carlo.

Quality Assurance

Sunsong states that its return hoses exceed original equipment performance standards for this application and are engineered to restore wearable components to original condition. The zinc-plated steel construction is specified to improve resistance to corrosion and rust in harsh driving environments.