Keep power-assisted steering firm and leak-free with the Sunsong Power Steering Pressure Line Hose Assembly 3402289, a direct-fit replacement that routes high-pressure fluid in the hydroboost-to-gear position. It fits the 2004 Chevrolet Cargo Van, 2003-2014 Chevrolet Express 1500, Chevrolet Express 2500 (2003-2012 and 2014), 2003-2014 Chevrolet Express 3500, 2009-2014 Chevrolet Express Cargo, 2009-2014 Chevrolet Express Pasajeros, 2005 Chevrolet Silverado 2500, 2003-2014 GMC Savana 1500, GMC Savana 2500 (2003-2012 and 2014), and 2003-2014 GMC Savana 3500 — see the Buyer's Guide tab for engine-level fitment.
Sunsong is a vertically integrated manufacturer of automotive fluid transfer hoses and lines, trusted by OEMs for exact form, fit, and function.
Interchange: 36-365686 · 979-3223
37368 · 92293 · 365686 · 15788687 · 25735001 · 76446 · 55201 · 13402289 · 36365686 · 9793223
This part cross-references / interchanges with the following part numbers:
What does this power steering pressure line hose assembly do?
It carries pressurized power steering fluid in the hydroboost-to-gear position, delivering hydraulic assist from the pump/hydroboost circuit to the steering gear.
Which vehicles does the Sunsong 3402289 fit?
It fits Chevrolet Express 1500/2500/3500, Cargo Van, Express Cargo/Pasajeros, 2005 Silverado 2500, and GMC Savana 1500/2500/3500 across listed years. See the Buyer's Guide tab for exact engine-level fitment.
Does it come pre-assembled?
Yes. The pressure and return hoses are pre-assembled with brackets and include the additional components needed to restore wearable parts to original condition, reducing installation labor.
What are the pressure ratings?
Sunsong rates this pressure hose at a max working pressure of 1,500 psi, a burst pressure of 8,700 psi, and 1,600 lb tensile strength for durability and long life.
What are signs this pressure line may need replacing?
Common signs include power steering fluid leaks along the hose or fittings, low fluid, whining, or hard steering. Diagnose the cause first; if the pressure line is at fault, this replaces it.
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.
