HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-966 Engine Coolant Reservoir - Front
Part #: 603-966

Dorman 603-966 Engine Coolant Reservoir - Front

Front
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, CR-V
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Overview of Dorman Engine Coolant Reservoir for Honda CR-V

The Dorman 603-966 engine coolant reservoir is designed specifically for Honda CR-V models, providing a reliable and durable solution for your vehicle's cooling system. Made from sturdy plastic, this rectangular reservoir includes a cap and offers a 1-liter capacity to help maintain optimal engine temperature.

  • Constructed from durable plastic material
  • Rectangular shape with dimensions: 4.33 inches length and 7.87 inches height
  • Includes a cap for secure sealing
  • 1-liter coolant capacity
  • Compatible with Honda CR-V models
  • Non-pressurized design without level sensor
  • Mounting hardware and brackets not included

Detailed Product Description

The Dorman 603-966 engine coolant reservoir is engineered to meet the specifications required for Honda CR-V vehicles. Its plastic construction ensures resistance to corrosion and heat, while the included cap helps maintain the proper coolant level and prevents contamination. The reservoir's rectangular shape and compact size (4.33 inches in length and 7.87 inches in height) allow for easy integration into the engine bay without interfering with other components. This reservoir is non-pressurized and does not include a level sensor, making it a straightforward replacement part for models that do not require these features.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Solves coolant overflow or loss issues
  • Prevents engine overheating due to coolant loss
  • Restores proper coolant storage capacity
  • Addresses reservoir cap failure or damage

Installation Notes and Tips

When installing the Dorman 603-966 engine coolant reservoir on your Honda CR-V, ensure the old reservoir is fully drained and removed carefully to avoid coolant spills. Since mounting hardware and brackets are not included, reuse existing components or acquire compatible mounting parts separately. Verify the cap is securely tightened after installation to prevent leaks. Always refill the cooling system with the appropriate coolant type and bleed air from the system as recommended by the vehicle manufacturer.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 603-966 engine coolant reservoir undergoes quality checks to maintain consistent fit and function for Honda CR-V vehicles. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number603-966
Cap IncludedYes
Cap TypeYes
Capacity1 L
ColorWhite
Height7.87
Length4.33
Level Sensor IncludedNo
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity0
Package Contents1 Engine Coolant Reservoir; 1 Cap
PressurizedNo
ShapeRectangular

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016HondaCR-V2.4LL4Front
2015HondaCR-V2.4LL4Front
2014HondaCR-V2.4LL4Front
2013HondaCR-V2.4LL4Front
2012HondaCR-V2.4LL4Front

* 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:

19101R5AA00

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