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What colors does engine coolant come in? Does coolant color matter?

10/01/2025
205

GLY COOLANT by Việt Đức JSC is an OAT-based coolant available in green and red, ensuring compatibility and long-lasting protection. It features high-quality additives from BASF, offering anti-corrosion, anti-scaling, and anti-foaming benefits.

What is engine coolant ? 

Differences Between Engine Coolant And Antifreeze

Engine coolant is a mixture of ethylene glycol, purified water, and additives. It serves three main purposes:

  • Cooling the engine.
  • Preventing the solution from boiling or freezing.
  • Preventing rust formation in the cooling system.

 


What Colors Do Coolants Come In ?

Coolants can be pink, red, orange, blue, green, yellow, or colorless. This variety can be confusing when deciding which type of coolant to choose for your vehicle. Different colors may indicate unique or similar properties.

Typically, coolants are categorized into three basic groups based on their additive technology. However, there is no universal standard for color coding, as each manufacturer sets its own guidelines for coolant colors:

What Is Engine Coolant Made Of? | GMB Blog

Product marketing often leads technicians and customers to believe that a coolant is incompatible with a vehicle if its color does not match the OEM's recommendation. This is incorrect:

  • Service providers or marketers benefit from matching the coolant color with the OEM's recommendation because it reduces the likelihood of OEM warranty disputes later.

  • If a coolant of a different color is used and a problem arises with a cooling system component, the mismatch between the coolant color and the original factory coolant may be used as grounds for blame.

  • OEMs use different dye colors for specific vehicle types to persuade customers to purchase OEM-approved coolant.


Does Color Matter ?

The color of coolant is simply dye and has no functional impact or inherent difference between types of coolant. The color does not affect the quality of the coolant. Instead, it serves the following purposes:

  • Helps consumers distinguish between different brands.

  • Differentiates the formulations of coolants from various brands.

  • Makes it easier to detect coolant leaks.

  • Enhances safety in storage and handling.

 


Compatibility and Universality of Coolant Colors

The compatibility of coolant is not determined by its color but by its chemical formulation and additive technology. When choosing coolant, it is more important to focus on the type recommended for your vehicle rather than the color.

The most common coolant colors on the market are green and red.

Organic Acid Technology (OAT) coolants, regardless of color, are generally compatible with other coolants containing various types of corrosion inhibitors. While OAT coolants are not chemically absolute, they allow mixing with most other coolants available in the market without issues. Most OEMs have transitioned to OAT coolants due to their extended service life.


GLY COOLANT by VIET DUC

GLY COOLANT is a high-quality OAT-based coolant, designed to provide long-lasting performance and superior protection for your engine’s cooling system.

GLY COOLANT – a product from Việt Đức – is manufactured using OAT technology and comes in two popular colors: green and red. We chose these two colors because they are the most common, making it easier for customers to supplement or replace their previous coolant without worrying about compatibility. This choice allows users to easily select and add coolant that matches the product they have used before.

What sets GLY COOLANT apart from other brands is its premium additive package, which includes anti-corrosion, anti-scaling, and anti-foaming properties, imported directly from the renowned BASF Group in Germany.

 

Product Technical Information:

Find more details here: https://vietducjsc.vn/nuoc-lam-mat-c19.html

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Engine coolant, coolant colors, coolant compatibility, OAT coolant, GLY COOLANT, Việt Đức JSC, coolant additives, corrosion protection, BASF additives, car maintenance, coolant replacement.


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