HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-051 Engine Coolant Reservoir - Front or Radiator
Part #: 603-051

Dorman 603-051 Engine Coolant Reservoir - Front or Radiator

Front
⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
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Overview of the Dorman Engine Coolant Reservoir for Ford Mustang

The Dorman 603-051 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 reservoir ensures proper coolant storage and pressure management to maintain engine temperature.

  • Constructed from durable plastic material for long-lasting use
  • Dimensions: 180mm length and 215mm height for precise fitment
  • Black and white color for easy fluid level visibility
  • Includes one coolant reservoir and one spring loaded twist cap
  • Pressurized reservoir with a cap maximum pressure rating of 16 psi
  • Equipped with two mounting holes; mounting hardware and brackets not included

Detailed Product Description

The Dorman 603-051 engine coolant reservoir is engineered to meet the cooling system requirements of Ford Mustang vehicles. Its plastic construction offers resistance to corrosion and heat, ensuring consistent performance under engine operating conditions. The reservoir measures 180mm in length and 215mm in height, designed to fit securely within the engine bay. The black and white coloration allows for quick visual checks of coolant levels without removing the cap.

This reservoir is pressurized and comes with a spring loaded twist cap rated for a maximum pressure of 16 psi, helping maintain optimal coolant system pressure and preventing overheating. The unit includes two mounting holes for secure installation; however, mounting hardware and brackets are not included and should be sourced separately.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs in Ford Mustang models
  • Solves coolant overflow or loss due to damaged or faulty reservoirs
  • Addresses pressure loss in the cooling system caused by worn caps
  • Prevents engine overheating by maintaining proper coolant levels and pressure
  • Restores coolant system integrity after impact or wear-related damage

Installation Notes and Tips

  • Ensure the engine is cool before removing the old reservoir to avoid injury
  • Check for compatibility with your specific Ford Mustang model year before installation
  • Use appropriate mounting hardware as it is not included with this product
  • Inspect hoses and connections for wear or damage during installation
  • Properly torque the spring loaded twist cap to maintain system pressure

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-051 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability in Ford Mustang vehicles. This product includes the coolant reservoir and cap, both designed to maintain system pressure and performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDorman
Part Number603-051
Cap IncludedYes
Cap Maximum Pressure Rating16
Cap TypeSpring Loaded Twist
ColorBlack/White
Height215
Length180
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010FordMustang4.0LV6Front
2010FordMustang4.6LV8Front
2010FordMustang5.4LV8Radiator
2009FordMustang4.0LV6Front
2009FordMustang4.6LV8Front
2009FordMustang5.4LV8Radiator
2008FordMustang4.0LV6Front
2008FordMustang4.6LV8Front
2008FordMustang5.4LV8Radiator
2007FordMustang4.0LV6Front
2007FordMustang4.6LV8Front
2007FordMustang5.4LV8Radiator
2006FordMustang4.0LV6Front
2006FordMustang4.6LV8Front
2005FordMustang4.0LV6Front
2005FordMustang4.6LV8Front

* 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:

4R3Z8A080AADAKG-080AMFRT1514CFRT1533C

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