Help keep power steering fluid returning where it belongs with the Sunsong power steering return line hose assembly, part number 3403997. It is a direct-fit replacement for the 2007-2009 Hyundai Santa Fe. It installs in the gear-to-pipe position and carries low-pressure fluid returning from the steering gear to the return pipe. See the "Vehicles it fits" section for engine-level fitment details.
Sunsong is a vertically integrated manufacturer that researches, develops, and builds automotive fluid transfer hoses and lines. The company designs its products around what installers need and aims to exceed industry quality standards. Its lines are built to deliver exact form, fit, and function.
- Rated for return-side duty: Sunsong return hoses exceed original equipment performance standards. They carry a 250 psi maximum working pressure and suit low-pressure, high-temperature operation.
- Precision engineered for exact fit: Sunsong precision engineers its return assemblies for exact fit. It also includes the additional components it considers necessary to replace the wearable parts.
- Corrosion-resistant tubing: The tubing resists corrosion and rust from high humidity, road salt, water, and grime.
- Pressure tested: Every return hose goes through a high-pressure quality assurance test before it leaves the factory.
Signs this hose may need replacing include power steering fluid seeping or dripping near the steering gear, a fluid level that keeps dropping, or a hose that looks cracked, swollen, or wet. If the return line is the source of the leak, this assembly replaces it.
Interchange: 2647-715108
37966 · 92892 · 366346 · 575200W000 · 13403997 · 77368 · 85051 · 2647715108
This part cross-references / interchanges with the following part numbers:
3403997, 2647-715108, 37966, 92892, 366346, 575200W000, 13403997, 77368, 85051
Frequently Asked Questions
What vehicles does the Sunsong 3403997 fit?
It is a direct-fit replacement for the 2007-2009 Hyundai Santa Fe. See the "Vehicles it fits" section for engine-level fitment details.
Where does this return line hose install?
Sunsong catalogs it for the gear-to-pipe position. There it carries low-pressure power steering fluid returning from the steering gear to the return pipe.
What pressure is this return hose rated for?
Sunsong rates its return hoses for a maximum working pressure of 250 psi, suited to low-pressure, high-temperature operation on the return side of the system.
How do I know my power steering return line may be failing?
Common signs include fluid seeping or dripping near the steering gear, a steadily dropping fluid level, or a hose that looks cracked, swollen, or wet. Diagnose the leak source before replacing parts.
Is the hose tested before it ships?
Yes. Sunsong puts every return hose through a high-pressure quality assurance test before it leaves the factory, and the tubing is built to resist corrosion and rust.
