Sunsong Power Steering Return Line Hose Assembly P/N:3403686
Keep power steering fluid flowing back where it belongs with the Sunsong power steering return line hose assembly, part number 3404940. This intermediate-pipe return assembly is a direct-fit replacement for the 2009-2012 Lexus ES350, and Sunsong designs its return assemblies for exact form, fit, and function. See the Buyer's Guide tab for engine details.
The return line carries low-pressure fluid from the steering gear back toward the reservoir and pump, completing the power steering circuit. A cracked, seeping, or leaking return line can let the fluid level drop. If this line is the source of your leak, this assembly replaces it.
Sunsong is a vertically integrated manufacturer that researches, develops, and builds automotive fluid transfer hoses and lines, with products shaped around what installers need.
Interchange: 13404940 · 4441633211
This part cross-references / interchanges with the following part numbers:
What does a power steering return line do?
It carries low-pressure power steering fluid from the steering gear back toward the reservoir and pump, completing the fluid circuit.
Does part 3404940 fit a 2010 Lexus ES350?
Yes. It is listed for the 2009-2012 Lexus ES350. Check the Buyer's Guide tab for the engine details of your vehicle.
What are signs the return line may need replacing?
Signs include fluid seeping or dripping from the line, a dropping fluid level, or pump whine caused by low fluid. Diagnose the source of the leak before replacing parts.
What pressure is this return hose rated for?
Sunsong rates its return hoses for a maximum working pressure of 250 psi. They are suited to low-pressure, high-temperature operation.
Which part numbers does this assembly interchange with?
It interchanges with 13404940 and 4441633211.
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.