Power Steering Reservoir for 2009-2015 Mercedes-Benz G550 & More - Dorman 603-721

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$66.99
MPN: 603-721
UPC: 885484680784
Item Package Quantity: 1
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Dorman - OE Solutions Power Steering Reservoir P/N:603-721
Dorman - OE Solutions Power Steering Reservoir P/N:603-721
$66.99

Hold your steering system's fluid supply securely with the Dorman power steering reservoir, part number 603-721, a complete replacement assembly built to handle underhood heat and engine vibration. It fits several Mercedes-Benz models, among them the 2009-2015 Mercedes-Benz G550, 2007-2012 Mercedes-Benz GL450 and 2008-2012 Mercedes-Benz GL550. See the Buyer's Guide tab for the full list of applications.

Dorman - OE Solutions makes this replacement power steering fluid reservoir from quality materials chosen to stand up to underhood heat and engine vibration. It is also thoroughly tested for proper fit on specific vehicle applications.

  • Direct replacement: designed to fit and function like the original equipment reservoir, for a straightforward installation.
  • Complete assembly: includes both the reservoir and the reservoir cap.
  • Reliable performance: built to withstand excessive heat and vibration.
  • Quality tested: put through on-vehicle testing aimed at a quality fit and long service life.

The reservoir stores the fluid supply for the power steering system, and its cap closes off the fill opening. If a cracked or leaking original reservoir or cap is the source of fluid loss, this assembly replaces both.

Interchange: ?APPST009
APPST009 · RES0041 · 0004602683 · PSR0223 · V302677

This part cross-references / interchanges with the following part numbers:

?APPST009, RES0041, 0004602683, PSR0223, V302677

Frequently Asked Questions

Is this a direct-fit 2007-2012 Mercedes-Benz GL450 power steering reservoir?

Yes. Dorman 603-721 is listed as a direct-fit replacement for the 2007-2012 Mercedes-Benz GL450. Check the Buyer's Guide tab for the other listed vehicles.

What comes in the box?

It is a complete assembly that includes both the power steering reservoir and the reservoir cap.

What does a power steering reservoir do?

It stores the power steering system's fluid supply, from which the pump draws fluid. The cap closes the fill opening.

What are signs the reservoir may need replacing?

Signs include cracks, fluid seeping from the reservoir or cap, or a cap that no longer seals. Hoses and the pump can also leak, so diagnose the source before replacing parts.

How is it installed?

Dorman designed it to fit and function like the original for a straightforward swap. Follow the vehicle's service information for refilling with the specified fluid and bleeding the system.