HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-506 Engine Coolant Reservoir - Front
Part #: 603-506

Dorman 603-506 Engine Coolant Reservoir - Front

Front
⚙️ 10 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, Accord
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Overview of Dorman Engine Coolant Reservoir for Honda Accord

The Dorman 603-506 engine coolant reservoir is designed specifically for Honda Accord models, providing a reliable replacement for your vehicle's cooling system. Made from durable plastic, this coolant reservoir ensures proper coolant storage and circulation to maintain optimal engine temperature.

  • Constructed from sturdy white plastic material
  • Dimensions: 124 mm length and 190 mm height for precise fitment
  • Includes one mounting bracket and one mounting hole for secure installation
  • Comes with a compatible cap included, non-pressurized design
  • Package contains one coolant reservoir and one cap

Detailed Product Description

The Dorman 603-506 engine coolant reservoir is engineered to meet the specifications of Honda Accord vehicles, ensuring seamless integration with the existing cooling system. Its white plastic construction offers resistance to heat and corrosion, contributing to long-term durability. The reservoir measures 124 mm in length and 190 mm in height, dimensions that align with the OEM requirements for a proper fit. This part includes one mounting bracket and a single mounting hole, facilitating straightforward installation. The included cap is designed to fit securely, although the reservoir itself is non-pressurized, consistent with the original equipment design.

Common Applications and Problem Resolution

  • Replaces cracked or leaking coolant reservoirs in Honda Accord models
  • Addresses coolant overflow or loss due to damaged tanks
  • Prevents engine overheating caused by insufficient coolant storage
  • Resolves issues related to coolant contamination from compromised reservoirs
  • Restores proper coolant level monitoring and system pressure balance

Installation Notes and Tips

Installation of the Dorman 603-506 engine coolant reservoir is straightforward with the included mounting bracket and hardware. Ensure the vehicle is cool before beginning the replacement to avoid injury from hot coolant. Drain the existing coolant as necessary, remove the old reservoir, and secure the new reservoir using the single mounting hole and bracket. Confirm the cap is properly seated to prevent leaks. After installation, refill the cooling system with the appropriate coolant and check for leaks during operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Honda Accord. While specific warranty details for part number 603-506 should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in their replacement parts.

BrandDorman
Part Number603-506
Cap IncludedYes
Cap TypeYes
ColorWhite
Height190
Length124
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002HondaAccord2.3LL4Front
2002HondaAccord3.0LV6Front
2001HondaAccord2.3LL4Front
2001HondaAccord3.0LV6Front
2000HondaAccord2.3LL4Front
2000HondaAccord3.0LV6Front
1999HondaAccord2.3LL4Front
1999HondaAccord3.0LV6Front
1998HondaAccord2.3LL4Front
1998HondaAccord3.0LV6Front

* 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:

19101PAAA00DAKG-8140FRT1803C

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