Sunsong 3604965 Power Steering Return Line Hose Assembly - Intermediate Pipe

Sunsong 3604965 Power Steering Return Hose

The Sunsong 3604965 power steering return line hose assembly is built for the 2010-2013 Acura MDX intermediate pipe application. It is engineered as a direct-fit replacement for low-pressure, high-temperature return line service, with steel tubing and corrosion-resistant zinc plating for dependable performance in demanding underhood conditions.

Key Features

• Direct-fit power steering return line hose assembly for the Acura MDX intermediate pipe
• Steel tubing with zinc electroplating for added resistance to rust and corrosion
• Rated for a maximum working pressure of 250 psi
• Built for low-pressure, high-temperature return line operation
• Precision-engineered fit for 2010-2013 Acura MDX applications
• End fittings use 11.5 beaded tube connections

Detailed Description

This Sunsong power steering return line hose assembly, part number 3604965, is made to restore the return-side hydraulic path on 2010, 2011, 2012, and 2013 Acura MDX models with the intermediate pipe position. The steel construction and zinc-coated finish help protect the line from humidity, road salt, water, and grime, while the exact-fit design supports proper routing and connection at the beaded tube ends. This part cross-references Gates 353049 for the same application.

Common Issues This Part Can Address

• Power steering fluid seepage from a worn return line
• Corrosion or rust on the original steel hose assembly
• Restricted or damaged return flow in the steering hydraulic circuit
• Fitment problems caused by a bent or deteriorated intermediate pipe
• Noise or steering performance concerns related to a compromised return hose

Installation Notes and Tips

Verify vehicle year and position before installation: Fits 2010-2013 Acura MDX, intermediate pipe. Inspect adjacent steering components, hose routing points, and sealing surfaces before replacing the line. Confirm the beaded tube end connections seat correctly and that the hose follows the original path without kinks or contact with hot or moving components. Part number 3604965 should be matched to the vehicle’s steering layout before service.

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-line service. The steel tubing, zinc plating, and precision fit are specified to support corrosion resistance and reliable hydraulic performance in the Acura MDX steering system.