Sunsong 3404970 Power Steering Return Line Hose Assembly - Pipe To Pipe

Sunsong 3404970 Power Steering Return Hose

The Sunsong 3404970 is a power steering return line hose assembly built for low-pressure, high-temperature return flow service. It is a direct-fit replacement for select Honda Ridgeline, Honda Pilot, and Acura MDX applications, with fitment that follows the original pipe-to-pipe routing.

• CSM hose material for return-line service
• Rated for a maximum working pressure of 250 psi
• Built for low-pressure, high-temperature operation
• Direct replacement for pipe-to-pipe steering return routing
• Cross-references ACI 81195 for the same application
• Cross-references Rein PSH0591 for the same application

Application and fitment details

This power steering return line hose assembly is engineered for the 2003-2006 Acura MDX, 2005-2008 Honda Pilot, and 2006-2014 Honda Ridgeline in pipe-to-pipe configurations. The Sunsong 3404970 is intended to restore the return path between steering components while matching the original hose connection style.

Precision fitment matters in steering repair, and this hose assembly is specified with ID hose ends at both connections and no bracket or switch port provision. The 3404970 part number is a practical OE-style replacement when servicing a leaking, cracked, or heat-aged return hose on a Honda Pilot, Honda Ridgeline, or Acura MDX.

Key features

• Part number: 3404970
• Brand: Sunsong
• Category: Power Steering Return Line Hose Assembly
• Material: CSM
• End 1 fitting type: ID hose
• End 2 fitting type: ID hose
• Length: 32.32 in. / 821.00 mm
• Bracket included: No
• Switch port included: No

What this hose can help address

• Power steering fluid seepage from a worn return hose
• Cracking or hardening from heat and age
• Soft or deteriorated hose sections in the return circuit
• Steering fluid loss caused by damaged hose connections
• Service replacement for pipe-to-pipe return line routing

Installation notes and tips

Verify the vehicle year, make, model, and pipe-to-pipe routing before installation. Match the hose end style and overall length to the original routing on the vehicle, and inspect adjoining pipes, clamps, and seals for wear before reassembly. For best results, flush contaminated fluid from the steering system after replacing a leaking return hose.

Quality assurance

Sunsong states that its return hoses are built to exceed original equipment performance standards for return-line service and are engineered for corrosion resistance in demanding underhood and road conditions. The 3404970 is manufactured to support reliable steering return flow on the specified Acura and Honda applications.