Sunsong Power Steering Return Line Hose Assembly P/N:3403686
Keep returning fluid flowing where it belongs with the Sunsong power steering return line hose assembly, part number 3401143. Positioned gear to cooler, it carries returning power steering fluid from the steering gear to the cooler on the low-pressure side of the system. It is a direct-fit replacement for the 2002-2009 Chevrolet TrailBlazer, 2002-2006 Chevrolet TrailBlazer EXT, 2002-2009 GMC Envoy, 2002-2006 GMC Envoy XL, 2002-2004 Oldsmobile Bravada, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2004-2005 GMC Envoy XUV and 2005-2009 Saab 9-7X. See the Buyer's Guide tab for engine details.
Sunsong is a vertically integrated manufacturer that researches, develops and builds automotive fluid transfer hoses and lines. It designs its products around what installers need and aims to deliver exact form, fit and function.
A leaking, cracked or swollen return line can let fluid escape and lower the reservoir level. If a failed return hose is the source of the leak, this assembly replaces it.
Interchange: 36-365781 · 2647-530531 · 979-103
37453 · 92378 · 365781 · 26095038 · 76696 · 50107 · 13401143 · 36365781 · 2647530531 · 979103
This part cross-references / interchanges with the following part numbers:
What vehicles does the Sunsong 3401143 fit?
It is listed for the 2002-2009 Chevrolet TrailBlazer and GMC Envoy, the 2004-2007 Buick Rainier, the 2003-2008 Isuzu Ascender, the 2005-2009 Saab 9-7X and more. See the Buyer's Guide tab for the full list.
Where does this return line run?
The catalog lists its position as gear to cooler. It carries returning power steering fluid from the steering gear to the power steering cooler on the low-pressure side of the system.
What pressure is this return hose rated for?
Sunsong rates its return hoses for a maximum working pressure of 250 psi. They are intended for the low-pressure, high-temperature duty of the return side.
What are signs a power steering return line may need replacing?
Fluid seeping from the hose or fittings, a wet or oily line, a dropping fluid level, or cracked or swollen hose sections. Diagnose the leak source first, because other components can cause similar symptoms.
Is the tubing protected against corrosion?
Yes. Sunsong states the tubing resists corrosion and rust from high humidity, road salt, water and grime.
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.