Sunsong 3403698 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Brand Sunsong 3403698
Position Pump To Hydroboost
End 1 Fitting Size (mm) 16
End 1 Fitting Type Swivel O-Ring
End 2 Fitting Size (mm) 11
End 2 Fitting Type Captive O-Ring
Hose Material 1 CSM
Length (in) 80.3
Length (mm) 2040
Tech Tip TT1000
Fits Ford · 12 vehicles

Exact-fit assembly. Precision engineered for original-condition restoration.

Zinc-coated steel tubing. Helps resist corrosion from moisture, salt, and grime.

Pressure-tested hose. Built to handle demanding hydraulic performance.

Cross-references Dorman - HELP 92761, Gates 366204 and BC3Z3A717B for the same application. See all 7.

$59.39Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Power Steering Pressure Line for Super Duty

This Sunsong power steering pressure line hose assembly is built for 2011-2016 Ford F-250 Super Duty and 2011-2016 Ford F-350 Super Duty applications with hydroboost systems. Part number 3403698 is engineered for the pump-to-hydroboost position and is built to meet demanding steering system pressure requirements.

Key Features

  • Fits 2011-2016 Ford F-250 Super Duty, pump to hydroboost
  • Fits 2011-2016 Ford F-350 Super Duty, pump to hydroboost
  • End 1 fitting: 16 mm swivel O-ring
  • End 2 fitting: 11 mm captive O-ring
  • 80.3 in. (2040 mm) hose length
  • CSM hose material for steering system service
  • Built to handle up to 1,500 psi working pressure
  • High-grade steel tubing with zinc electroplating for corrosion resistance

Detailed Description

Sunsong 3403698 is a power steering pressure line hose assembly for Ford Super Duty trucks equipped with hydroboost steering systems. It is designed for the pump-to-hydroboost route and uses a 16 mm swivel O-ring on one end and an 11 mm captive O-ring on the other for the specified application. The hose measures 80.3 inches long and uses CSM hose material, while the steel tubing is zinc coated to resist rust, road salt, moisture, and grime. This part cross-references Dorman HELP 92761 and Gates 366204 for the same application.

What It Helps Fix

  • Power steering fluid leaks at the pressure line
  • Loss of steering assist from a damaged hose assembly
  • Corrosion-related hose or tube deterioration
  • Fitment issues from an incorrect pump-to-hydroboost line
  • Noise or pressure loss caused by worn hose connections

Installation Notes and Tips

Confirm hydroboost system configuration before ordering, since this hose is specified for pump-to-hydroboost use on the listed Ford Super Duty trucks. Match the end fitting sizes and styles to the original line, and inspect surrounding seals, bushings, and mounting points during replacement. The assembly is precision engineered for the listed application, and the manufacturer states that each hose is pressure tested before leaving the factory.

Quality Assurance

Sunsong states that this pressure hose exceeds original equipment performance standards, with a 1,500 psi maximum working pressure, 8,700 psi burst pressure rating, and 1,600 lb tensile strength. The manufacturer also notes that every hose is high-pressure tested before shipment to support trouble-free installation and operation.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2016FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2016FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2015FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2015FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2014FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2014FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2013FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2013FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2012FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2012FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2011FordF-250 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2011FordF-350 Super DutyPump To HydroboostFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 92761Gates — 366204BC3Z3A717BBC3Z3A717DBC3Z3A717FBC3Z3A717HBC3Z3A717K