Sunsong 3402605 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear

Brand Sunsong 3402605
Position Hydroboost To Gear
Bracket (Y/N) N
End 1 Fitting Type Male
End 2 Fitting Type Male
Hose Material 1 Csm
Length (in) 49.5
Length (mm) 1257
PS Switch Port (Y/N) N
Tech Tip Tt1000
Fits —6 vehicles

Exact-fit assembly. Precision engineered for original-condition restoration and trouble-free installation.

Zinc-coated steel tubing. Helps resist corrosion and rust from humidity, road salt, water, and grime.

High-pressure tested. Built to handle 1,500 psi working pressure with 8,700 psi burst strength.

Cross-references Four Seasons 55019, Four Seasons 92387 and Gates 365791 for the same application. See all 4.

$23.53Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $23.53
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Power Steering Pressure Line Hose Assembly

The Sunsong 3402605 power steering pressure line hose assembly is built for direct replacement service where a durable, OE-style steering hose is needed. It is engineered for pressure handling, corrosion resistance, and a precise fit on the intended application, including Ford F-250 and Ford F-350 Super Duty coverage where listed.

  • Max working pressure rated at 1,500 psi
  • Burst pressure rating of 8,700 psi
  • Tensile strength of 1,600 lb
  • High-grade steel tubing with zinc electroplating for rust and corrosion resistance
  • CSM hose material for steering system durability
  • Precision-engineered to exact fit for original-condition restoration
  • High-pressure tested before leaving the factory

Detailed Product Overview

This Sunsong power steering pressure line hose assembly, part number 3402605, is made to replace a worn or leaking high-pressure steering line with a direct-fit solution. The hose uses male fittings on both ends and measures 49.5 inches (1257 mm) in length. Built with corrosion-resistant steel tubing and a CSM hose section, it is specified for demanding steering-system service where pressure stability and long-term durability matter. For shoppers searching Ford F-250 power steering pressure hose replacement or Ford F-350 Super Duty steering pressure line hose assembly, this part number 3402605 is a relevant OE-style option.

This part cross-references Four Seasons (e.g., 55019, 92387) for the same application.

Common Problems This Hose Can Address

  • Power steering fluid leaks from a cracked or worn pressure line
  • Steering assist loss caused by pressure-line failure
  • Noise or stiffness from a compromised hydraulic steering circuit
  • Corrosion damage from road salt, moisture, and grime
  • Fitment issues from an incorrect replacement hose length or fitting style

Installation Notes and Tips

Verify the hose length, male-to-male fitting style, and routing before installation. Inspect the surrounding steering components, seals, and mounting points for wear or contamination before connecting the new line. Because this assembly is precision engineered for exact fit, proper routing and secure connection at the pressure ports are important for leak-free operation.

Quality Assurance

Sunsong states that this hose assembly is pressure tested before it leaves the factory. The design also uses zinc-coated steel tubing to improve resistance to rust and corrosion in harsh driving conditions. Part number 3402605 is built to meet demanding steering-system performance requirements for Ford F-250 and Ford F-350 Super Duty applications where specified.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2010FordF-450 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2010FordF-550 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2009FordF-450 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2009FordF-550 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2008FordF-450 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
2008FordF-550 Super DutyHydroboost To GearFor vehicles with hydroboost systems, Power Steering Return Line End Fitting.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 55019Four Seasons — 92387Gates — 3657917C3Z3A719H