Dorman 603-721 Power Steering Reservoir 07-15 Mercedes-Benz GL450 GL550 ML550
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$50.21
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This replacement power steering fluid reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is thoroughly tested to ensure optimum fit on specific vehicle applications.
- Direct replacement - this power steering fluid reservoir fits and functions like original equipment for a trouble-free installation
- Complete assembly - includes reservoir and reservoir cap
- Reliable performance - built to withstand excessive heat and vibration
- Quality tested - this part has undergone on-vehicle testing to ensure a quality fit and long service life
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009-2015 | Mercedes-Benz | G550 | ||
| 2007-2012 | Mercedes-Benz | GL450 | ||
| 2008-2012 | Mercedes-Benz | GL550 | ||
| 2008-2011 | Mercedes-Benz | ML550 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 603-721 |
| UPC | 885484680784 |
| Material | Plastic |
| Color | Black |
| Mounting Hardware Included | Yes |
| Mounting Bracket Included | No |
| Finish | Matte |
| Fittings Included | No |
| Installation Hardware Included | Yes |
| Package Contents | 1 Power Steering Reservoir; 1 Cap |
| Reservoir Cap Included | Yes |
| Reservoir Type | Single |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 0004602683 | Mercedes-Benz (OE) |
|---|---|
| V302677 | Interchange |
| APPST009 | Interchange |
| RES0041 | Interchange |
| PSR0223 | Interchange |