Sunsong 3404973 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Power Steering Return Hose for Acura MDX

Sunsong 3404973 is a power steering return line hose assembly built for the 2001-2006 Acura MDX, cooler to reservoir. It is engineered for low-pressure, high-temperature return line service and built to restore proper fluid routing in the steering system.

• Fits 2001-2006 Acura MDX, cooler to reservoir
• Power steering return line hose assembly for low-pressure return flow
• High-temperature service capability with a 250 psi maximum working pressure
• Precision-engineered for exact fitment on the listed application
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Part number 3404973 for direct application lookup

Detailed Application Coverage

This Sunsong return hose is built around the original routing and connection points used on the Acura MDX power steering system. The hose assembly is made to match the cooler-to-reservoir position on 2001-2006 Acura MDX models, helping maintain proper fluid transfer in the return circuit. Part number 3404973 is also a useful reference when verifying the correct hose for this vehicle.

This part cross-references Honda OEM 53733S3VA11 for the same application.

Common Problems This Part Addresses

• Power steering fluid seepage or leakage in the return line
• Cracked, hardened, or deteriorated hose material
• Corrosion on exposed tubing and fittings
• Incorrect hose routing on a worn or damaged assembly
• Restricted return flow caused by age-related hose failure

Installation Notes and Tips

Verify the vehicle is a 2001-2006 Acura MDX with the cooler-to-reservoir return line configuration before ordering. Inspect adjacent brackets, grommets, heat shields, bushings, and protective sleeves on the vehicle and replace worn components as needed during service. Confirm all connection points are clean and properly seated before refilling and bleeding the steering system.

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for the listed application. The steel tubing is zinc coated to improve resistance to humidity, road salt, water, and grime, supporting long-term durability in underhood and underbody environments.