Keep hydraulic assist flowing between the hydroboost unit and the steering gear with the Sunsong Power Steering Pressure Line Hose Assembly 3401681. This is the HYDROBOOST-TO-GEAR pressure line, and it installs as a direct-fit replacement for the 2003-2005 Ford Excursion, 2003-2004 Ford F-250 Super Duty, 2003-2004 Ford F-350 Super Duty, 2003-2004 Ford F-450 Super Duty, and 2003-2004 Ford F-550 Super Duty. It routes high-pressure fluid from the pump/hydroboost side to the gear so the system can deliver steering assist.
Signs this line may need replacing include power-steering fluid seepage or drips at the fittings, a low reservoir, whining, or hard/inconsistent steering effort. Diagnose the source of any leak before replacing.
Interchange: 36-357550 · 2647-273607 · 979-2303
36357550 · 2647273607 · 9792303 · 35755 · 80352 · 3C3Z3A714BB · 4C343F524BC · 357550 · 76172 · 1291 · 13401681
This part cross-references / interchanges with the following part numbers:
What does this Sunsong 3401681 hose assembly do?
It is the hydroboost-to-gear power steering pressure line, routing high-pressure fluid from the hydroboost side to the steering gear so the system can provide steering assist.
Which vehicles does it fit?
It is a direct-fit replacement for the 2003-2005 Ford Excursion and the 2003-2004 Ford F-250, F-350, F-450, and F-550 Super Duty. See the Buyer's Guide tab to confirm your vehicle.
What are the pressure ratings?
The pressure hose has a max working pressure of 1,500 psi, a burst pressure rating of 8,700 psi, and 1,600 lb tensile strength, exceeding original equipment performance standards.
Does it come with brackets?
Yes. It is pre-assembled with brackets and includes the additional components needed to restore wearable parts to original condition, which reduces installation labor versus individual hoses.
What are signs this line needs replacing?
Power-steering fluid leaks or drips at the fittings, a low reservoir, whining, or hard steering. Diagnose the leak source first, since these symptoms can have other causes.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
