HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-368 Engine Coolant Reservoir - Intercooler
Part #: 603-368

Dorman 603-368 Engine Coolant Reservoir - Intercooler

Intercooler
⚙️ 2 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: Ford, Mustang
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Overview of Dorman Engine Coolant Reservoir for Ford Mustang

The Dorman 603-368 engine coolant reservoir is designed specifically for Ford Mustang models, providing a reliable solution for your vehicle's cooling system. Made from durable plastic, this white coolant reservoir includes a spring loaded twist cap to maintain proper pressure and fluid containment.

  • Constructed from durable plastic material for long-lasting use
  • White color for easy fluid level monitoring
  • Includes one coolant reservoir and one spring loaded twist cap
  • Cap is pressurized with a maximum pressure rating of 16 psi
  • Two mounting holes for secure installation (mounting hardware not included)

Detailed Product Description

The Dorman 603-368 engine coolant reservoir is engineered to meet the cooling system requirements of Ford Mustang vehicles. Its plastic construction ensures resistance to corrosion and heat, while the white color allows for quick visual checks of coolant levels. The included spring loaded twist cap is designed to maintain system pressure up to 16 psi, helping to prevent coolant loss and overheating. This reservoir features two mounting holes for a secure fit, although mounting hardware and brackets are not included. The package contains one coolant reservoir and one compatible cap, making it a complete replacement part for your Mustang's cooling system.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Solves coolant overflow and loss issues
  • Prevents engine overheating caused by coolant system failure
  • Restores proper pressure maintenance in the cooling system
  • Addresses coolant contamination due to damaged reservoir caps

Installation Notes and Tips

When installing the Dorman 603-368 engine coolant reservoir on your Ford Mustang, ensure the vehicle is cool to avoid injury from hot coolant. Use the existing mounting points with the two mounting holes provided; note that mounting hardware is not included and may need to be sourced separately. Verify the spring loaded twist cap is properly seated to maintain system pressure. After installation, check for leaks and confirm coolant levels are within recommended ranges.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-368 engine coolant reservoir undergoes quality checks to ensure durability and performance in Ford Mustang vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult the product packaging or Dorman's official resources for exact warranty information.

BrandDorman
Part Number603-368
Cap IncludedYes
Cap Maximum Pressure Rating16
Cap TypeSpring Loaded Twist
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordMustang4.6LV8Intercooler
2003FordMustang4.6LV8Intercooler

* 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:

2R3Z8A080AB

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