HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsDorman 603-849 Power Steering Reservoir
Part #: 603-849

Dorman 603-849 Power Steering Reservoir

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⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Mustang, Mountaineer, Explorer, and Explorer Sport Trac
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Overview of Dorman Power Steering Reservoir 603-849

The Dorman 603-849 power steering reservoir is designed for reliable fluid storage in select Ford and Mercury vehicles. This single reservoir unit is made from durable plastic with a matte white finish and includes a cap for secure sealing.

  • Constructed from durable plastic material
  • Matte white finish for corrosion resistance
  • Includes reservoir cap for fluid containment
  • Single reservoir type for standard power steering systems
  • Compatible with Ford Explorer, Explorer Sport Trac, Mercury Mountaineer, and Ford Mustang

Detailed Product Description

The Dorman 603-849 power steering reservoir is engineered to meet the specifications of various Ford and Mercury models, including the Explorer, Explorer Sport Trac, Mountaineer, and Mustang. Its plastic construction offers resistance to corrosion and wear, while the matte white finish provides a non-reflective surface that helps maintain system integrity. This reservoir is a single type design, suitable for standard power steering fluid systems, and comes complete with a cap to prevent fluid leakage and contamination. Note that mounting hardware, brackets, and fittings are not included, so existing components should be reused or sourced separately.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking power steering reservoirs
  • Resolves fluid contamination issues due to damaged caps
  • Addresses low fluid levels caused by reservoir damage
  • Prevents power steering system failure from fluid loss
  • Restores proper fluid containment in Ford Explorer and Mercury Mountaineer power steering systems

Installation Notes and Tips

Installation of the Dorman 603-849 power steering reservoir requires removal of the old reservoir and transfer or replacement of mounting hardware, as none is included. Ensure the reservoir cap is securely tightened to prevent leaks. It is recommended to inspect hoses and fittings during installation to confirm compatibility and integrity. Proper disposal of old power steering fluid and reservoir is advised.

Quality Assurance and Warranty

Dorman power steering reservoirs are manufactured to meet or exceed OEM standards for fit and function. The 603-849 part number undergoes quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number603-849
Cap IncludedYes
ColorWhite
Fittings IncludedNo
Friction Material ThicknessMatte
Installation Hardware IncludedNo
MaterialPlastic
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Fluid Reservoir; 1 Cap
Remote MountedNo
Reservoir Cap IncludedYes
Reservoir TypeSingle

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009FordMustang4.0LV6N/A
2009FordMustang4.6LV8N/A
2008FordMustang4.0LV6N/A
2008FordMustang4.6LV8N/A
2008FordMustang5.4LV8N/A
2008MercuryMountaineer4.0LV6N/A
2008MercuryMountaineer4.6LV8N/A
2007FordExplorer4.0LV6N/A
2007FordExplorer4.6LV8N/A
2007FordExplorer Sport Trac4.0LV6N/A
2007FordExplorer Sport Trac4.6LV8N/A
2007FordMustang4.0LV6N/A
2007FordMustang4.6LV8N/A
2007FordMustang5.4LV8N/A
2007MercuryMountaineer4.0LV6N/A
2007MercuryMountaineer4.6LV8N/A
2006FordExplorer4.0LV6N/A
2006FordExplorer4.6LV8N/A
2006FordMustang4.0LV6N/A
2006FordMustang4.6LV8N/A
2006MercuryMountaineer4.0LV6N/A
2006MercuryMountaineer4.6LV8N/A
2005FordMustang4.0LV6N/A
2005FordMustang4.6LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4R3Z3A697AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.