HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsDorman 603-684 Power Steering Reservoir
Part #: 603-684

Dorman 603-684 Power Steering Reservoir

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⚙️ 16 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: Honda and Acura, Odyssey, CL, TL, and Accord
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Overview of Dorman Power Steering Reservoir 603-684

The Dorman 603-684 power steering reservoir is designed for remote mounting and is compatible with select Acura and Honda models, including the Accord, CL, Odyssey, and TL. Constructed from durable plastic with a matte finish, this single reservoir includes a cap and is engineered to meet the specific needs of your vehicle's power steering system.

  • Material: Durable plastic construction
  • Colors: Gray, red, and white components for clear fluid level visibility
  • Finish: Matte surface for reduced glare and enhanced durability
  • Reservoir Type: Single reservoir design
  • Remote mounted for flexible installation
  • Includes reservoir cap; mounting hardware and fittings not included
  • Compatible with Acura and Honda models: Accord, CL, Odyssey, TL
  • Part Number: 603-684

Detailed Product Description

The Dorman 603-684 power steering reservoir is a replacement component tailored for remote mounting applications in Acura and Honda vehicles such as the Accord, CL, Odyssey, and TL. Its plastic construction ensures resistance to corrosion and wear, while the matte finish minimizes surface reflections. The reservoir features a single-chamber design and comes with a matching cap to maintain system integrity and prevent fluid contamination. Although mounting hardware and fittings are not included, the reservoir’s design allows for straightforward integration into existing power steering systems.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking power steering reservoirs
  • Restores proper fluid containment to prevent power steering system failure
  • Addresses issues with fluid contamination due to damaged or missing caps
  • Helps eliminate power steering noise caused by air entering the system
  • Supports maintenance of proper fluid levels for consistent steering performance

Installation Notes and Tips

  • Designed for remote mounting; verify compatibility with your vehicle’s mounting location
  • Mounting hardware and fittings are not included; reuse existing components or source separately
  • Ensure the reservoir cap is securely tightened to prevent leaks
  • Check power steering fluid levels after installation and top off as needed
  • Consult vehicle service manual for specific installation procedures on Acura Accord, CL, Odyssey, and TL models

Quality Assurance and Warranty

Dorman power steering reservoirs are manufactured to meet or exceed OEM specifications for fit, form, and function. The 603-684 part undergoes quality control testing to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

BrandDorman
Part Number603-684
ColorGray
ColorRed
ColorWhite
Fittings IncludedNo
Friction Material ThicknessMatte
Installation Hardware IncludedNo
MaterialPlastic
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Power Steering Reservoir; 1 Cap
Remote MountedYes
Reservoir Cap IncludedYes
Reservoir TypeSingle

This part fits 16 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004HondaOdysseyN/A
2003AcuraCLN/A
2003AcuraTLType-SN/A
2003HondaOdysseyN/A
2002AcuraCLN/A
2002AcuraTLType-SN/A
2002HondaAccord3.0LV6N/A
2002HondaOdysseyN/A
2001AcuraCLN/A
2001HondaAccord3.0LV6N/A
2001HondaOdysseyN/A
2000HondaAccord3.0LV6N/A
2000HondaOdysseyN/A
1999HondaAccord3.0LV6N/A
1999HondaOdysseyN/A
1998HondaAccord3.0LV6N/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-21253697SB3951

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