Dorman 603-5501 Engine Coolant Reservoir - Front
OE Quality 60-Day Returns
Dorman

Dorman 603-5501 Engine Coolant Reservoir - Front

Brand Dorman 603-5501
Position Front
Material Plastic
Color White
Mounting Hardware Included No
Mounting Hole Quantity 0
Mounting Brackets Included No
Cap Type Yes
Pressurized No
Cap Included Yes
Package Contents 1 coolant reservoir; 1 cap
Fits —

OE-style replacement. Matches the fit and function of the original part.

Plastic construction. Built to handle underhood heat and engine vibration.

Cap included. Ready for installation with the reservoir.

Cross-references 575.1052, 25133601 and FRT3001C for the same application. See all 3.

$65.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $65.72
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Reservoir options

Engine Coolant Reservoir for OE-Style Replacement

Dorman 603-5501 is a replacement engine coolant reservoir built from plastic to handle underhood heat and engine vibration. It includes a cap and is shaped to match the fit and function of the original reservoir for a direct replacement on the correct application.

  • Plastic construction for coolant system service
  • White reservoir body for OE-style appearance
  • Cap included
  • Non-pressurized design
  • Engineered to match original fit and function

Product Details

This Dorman coolant reservoir is a practical replacement for a leaking, cracked, or discolored expansion tank. Part number 603-5501 is built to restore proper coolant storage and recovery in the engine cooling system while maintaining the original mounting and hose connection layout of the vehicle application. This part cross-references FRT3001C for the same application.

What It Helps Address

  • Coolant loss from a cracked reservoir
  • Visible coolant seepage around the tank body
  • Damaged or missing reservoir cap
  • Heat-related plastic deterioration
  • Cooling system service after reservoir failure

Installation Notes

Verify the reservoir shape, hose routing, and cap style against the original part before installation. This reservoir does not include mounting hardware or mounting brackets. Use the existing vehicle mounting points and inspect connected hoses, clamps, and the cap seal during replacement. Compatible With select vehicle applications such as Honda Civic and Acura models where Dorman 603-5501 is specified.

Quality Assurance

Dorman manufactures this replacement coolant reservoir from materials selected to withstand underhood heat and engine vibration. The part is engineered to match original fit and function for the specified application. Part number 603-5501 is also referenced by 575.1052.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
575.105225133601FRT3001C