HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsDorman 603-938 Power Steering Reservoir
Part #: 603-938

Dorman 603-938 Power Steering Reservoir

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⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Highlander
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Overview of Dorman Power Steering Reservoir for Toyota Highlander

The Dorman 603-938 power steering reservoir is designed specifically for Toyota Highlander models, providing a reliable solution for your vehicle's power steering fluid storage needs. This remote-mounted reservoir features a separated design and comes with essential installation hardware for a straightforward replacement.

  • Constructed from durable plastic material
  • Black and white color scheme for easy fluid level monitoring
  • Includes mounting bracket and reservoir cap
  • Remote mounted design for flexible installation
  • Installation hardware included for convenience
  • Does not include fittings

Detailed Product Description

The Dorman 603-938 power steering reservoir is engineered to meet the specifications of Toyota Highlander vehicles, ensuring compatibility and proper fitment. Its plastic construction offers resistance to corrosion and wear, while the black and white coloration allows for quick visual checks of fluid levels. The separated reservoir type helps maintain fluid cleanliness and system efficiency. This part includes a mounting bracket and reservoir cap, but fittings are not included, so ensure your existing fittings are compatible or sourced separately. The remote-mounted design allows for flexible placement within the engine bay, accommodating various vehicle configurations.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking power steering reservoirs
  • Resolving power steering fluid contamination due to reservoir damage
  • Fixing low power steering fluid levels caused by faulty reservoirs
  • Addressing power steering system noise related to fluid aeration
  • Upgrading to a remote-mounted reservoir for improved engine bay layout

Installation Notes and Tips

  • Verify compatibility with your Toyota Highlander model year before installation
  • Use the included mounting bracket and hardware for secure installation
  • Inspect existing fittings and hoses; replace if necessary as fittings are not included
  • Ensure the reservoir cap is properly sealed to prevent fluid leaks
  • Bleed the power steering system after installation to remove air

Quality Assurance and Warranty

Dorman power steering reservoirs are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-938 part number undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.

BrandDorman
Part Number603-938
ColorBlack and White
Fittings IncludedNo
Installation Hardware IncludedYes
MaterialPlastic
Mounting Bracket IncludedYes
Package ContentsPower Steering Reservoir
Remote MountedYes
Reservoir Cap IncludedYes
Reservoir TypeSeparated

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2008ToyotaHighlanderN/A
2007ToyotaHighlanderN/A
2006ToyotaHighlanderN/A
2005ToyotaHighlanderN/A
2004ToyotaHighlanderN/A
2003ToyotaHighlanderN/A
2002ToyotaHighlanderN/A
2001ToyotaHighlanderN/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:

3R-129443050C030EPT0006

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