Keep coolant topped off and contained with the Dorman coolant recovery tank 603-503, a non-pressurized engine coolant reservoir that installs in the front-mounted position on the 1994-2001 Acura Integra and 1997-2001 Honda CR-V. It holds expanding coolant pushed out of the cooling system and returns it as the engine cools, helping keep the system properly filled between service intervals.
Direct replacement: engineered to drop in like the original reservoir on the listed applications.
Durable construction: made from quality materials to withstand underhood heat and engine vibration.
Ideal solution: engineered for a seamless installation.
Trustworthy design: backed by 100 years of automotive aftermarket experience.
If your original tank is cracked, discolored, or leaking, this Dorman coolant overflow tank replaces it, giving expanding coolant a place to collect and return. A tidy, factory-style fit makes it a straightforward swap for owners searching for a Dorman radiator overflow tank or Dorman overflow tank for these Acura and Honda models.
What vehicles does the Dorman 603-503 coolant recovery tank fit?
It fits the 1994-2001 Acura Integra and the 1997-2001 Honda CR-V. Check the Buyer's Guide tab to confirm the correct application for your specific vehicle.
Is this a pressurized coolant reservoir?
No. The 603-503 is a non-pressurized coolant reservoir that catches coolant expelled from the cooling system and returns it as the engine cools.
What does this Dorman tank do?
It holds coolant that expands and overflows when the engine heats up, then feeds it back into the system as things cool, helping keep the cooling system properly filled.
When should I replace my engine coolant recovery tank?
Signs it may need replacing include cracks, leaks, discoloration, or coolant loss around the reservoir. Diagnose the source of any coolant loss before replacing parts.
Is the Dorman 603-503 a direct-fit replacement?
Yes. It is engineered to drop in like the original reservoir on the listed applications for a seamless installation.
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
