Keep hydraulic assist flowing between the power steering pump and the hydroboost with the Sunsong Power Steering Pressure Line Hose Assembly 3402464. This is the pump-to-hydroboost pressure line, routing pressurized power steering fluid from the pump to the hydroboost brake booster. It installs as a direct-fit replacement for the 2006-2010 Chevrolet Express 2500, 2006-2010 Chevrolet Express 3500, 2009-2010 Chevrolet Express 4500, 2006-2010 GMC Savana 2500, 2006-2010 GMC Savana 3500, and 2009-2010 GMC Savana 4500 — see the Buyer's Guide tab for engine-level details.
- Pre-assembled with brackets: the pressure and return hoses arrive assembled, easing installation and cutting labor time versus hoses sold individually.
- Precision-engineered fit: built to exact fit and includes the additional components needed to restore wearable parts to original condition.
- Exceeds OE performance ratings: the pressure hose is rated to a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength for durability.
- Factory-tested: every pressure hose undergoes a high-pressure quality-assurance test before leaving the factory.
Signs the original line may need replacing include power steering fluid leaks, hardened or cracked hose, or whining/loss of assist tied to a leaking pressure line. Diagnose the cause before replacing.
Interchange: 37415 · 92340 · 365738 · 15241802 · 15241803 · 15788683 · 25925450 · 76515 · 55210 · 13402464
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this hose assembly do?
It is the pump-to-hydroboost pressure line, carrying pressurized power steering fluid from the pump to the hydroboost unit on the listed applications.
Which vehicles does the 3402464 fit?
The 2006-2010 Chevrolet Express and GMC Savana 2500 and 3500, plus the 2009-2010 Express 4500 and Savana 4500. Check the Buyer's Guide tab to confirm your vehicle.
Does it come with brackets?
Yes. The pressure and return hoses are pre-assembled with brackets and include the additional components needed to restore wearable parts to original condition.
What are the pressure ratings?
The pressure hose is rated to a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength, and is high-pressure tested before leaving the factory.
How do I know if my pressure line needs replacing?
Signs include power steering fluid leaks, a cracked or hardened hose, or whining and lost assist from a leaking line. Diagnose the cause before replacing.
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