HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-447 Engine Coolant Reservoir - Front
Part #: 603-447

Dorman 603-447 Engine Coolant Reservoir - Front

Front
⚙️ 13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Corolla
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Overview of Dorman Engine Coolant Reservoir for Toyota Corolla

The Dorman 603-447 engine coolant reservoir is designed specifically for Toyota Corolla models, providing a reliable replacement for your vehicle's cooling system. Made from durable plastic with a white finish, this reservoir includes a flip-top cap to help maintain proper coolant levels.

  • Constructed from durable plastic material
  • White color for easy coolant level visibility
  • Includes one flip-top cap for secure sealing
  • Single mounting hole for straightforward installation
  • Cap included; mounting hardware and brackets not included

Detailed Product Description

This engine coolant reservoir by Dorman, part number 603-447, is engineered to meet the specifications of Toyota Corolla vehicles. The plastic construction ensures resistance to corrosion and heat, while the white color allows for quick visual checks of coolant levels. The flip-top cap design facilitates easy access for refilling and maintenance without the need to remove the entire reservoir. Although mounting hardware and brackets are not included, the reservoir features a single mounting hole to align with factory mounting points for a secure fit.

Compatible Applications and Common Issues Addressed

This coolant reservoir is compatible with various Toyota Corolla models, making it a suitable replacement part for maintaining your vehicle's cooling system integrity. It helps resolve issues such as:

  • Coolant leaks due to cracked or damaged reservoirs
  • Overheating caused by insufficient coolant storage
  • Difficulty monitoring coolant levels with faded or discolored reservoirs
  • Loss of coolant pressure from faulty or missing caps
  • Replacement of worn or brittle plastic reservoirs

Installation Notes and Tips

Installation of the Dorman 603-447 engine coolant reservoir is straightforward for those familiar with basic automotive maintenance. Ensure the vehicle is cool before beginning to avoid injury from hot coolant. Since mounting hardware and brackets are not included, reuse existing components or source compatible hardware. Align the reservoir using the single mounting hole and secure it firmly. Attach the included flip-top cap securely to prevent leaks.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-447 engine coolant reservoir undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number603-447
Cap IncludedYes
Cap TypeFlip Top
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 13 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1997ToyotaCorolla1.6LL4FrontBuilt in U.S.A.
1997ToyotaCorolla1.8LL4FrontBuilt in U.S.A.
1996ToyotaCorolla1.6LL4FrontBuilt in U.S.A.
1996ToyotaCorolla1.8LL4FrontBuilt in U.S.A.
1995ToyotaCorolla1.6LL4FrontTo 5/95
1995ToyotaCorolla1.6LL4FrontBuilt in U.S.A.; From 5/95
1995ToyotaCorolla1.8LL4FrontTo 5/95
1995ToyotaCorolla1.8LL4FrontBuilt in U.S.A.; From 5/95
1994ToyotaCorolla1.6LL4Front
1994ToyotaCorolla1.8LL4Front
1993ToyotaCorollaSedan1.6LL4Front
1993ToyotaCorolla1.8LL4Front
1993ToyotaCorollaSedanFrontL4 1.6L (1587cc)

* 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:

1647015081FRT2004CFRT2009C

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