A range for automotive and heavy-duty needs
Azure manufactures antifreeze and coolants for businesses supplying and maintaining vehicles and equipment. Our Santa Ana team helps fleets, workshops, distributors, and other operators work through product selection and purchasing requirements.
Start with the coolant specification required by the vehicle or equipment manufacturer. Color can help identify a product in your inventory, but it does not establish compatibility. Match the formulation and concentration to the application before ordering or adding coolant.
Explore the Azure coolant range
- Green: conventional green coolant.
- Gold: extended-life, NAPS-free OAT coolant.
- Orange: extended-life automotive coolant.
- Pink: extended-life coolant for specified Asian vehicle applications.
- Red: extended-life coolant for specified Asian vehicle applications.
- Blue: extended-life coolant for specified Asian vehicle applications.
- HD Red nitrited: a heavy-duty NOAT formulation.
- HD Red nitrite-free: a heavy-duty OAT formulation.
These names describe the available families, not a universal fitment list. Use the product information alongside the required vehicle specification. If you are comparing products for a mixed fleet, send us the applications you need to support.
50/50 pre-diluted or 100% concentrate
Our packaged coolant range includes 50/50 pre-diluted and 100% concentrate options. Pre-diluted coolant is ready to use as labeled; do not add water. Concentrate requires dilution before use according to the product and equipment instructions.
One-gallon jugs suit packaged supply for service counters, workshops, and distributors. For HD Red nitrited and nitrite-free formulas, ask about drum and tote supply. Share the formula, concentration, quantity, and delivery location so our team can confirm the available arrangement.
Coolant selection questions
How do I choose between nitrited and nitrite-free coolant?
Check the formulation specified for your engine or equipment. Azure HD Red nitrited is a NOAT product; HD Red nitrite-free is an OAT product. Do not substitute one solely because both are red. We can help review your product requirements.
Can I choose coolant by color alone?
No. Colors are not a substitute for specifications. Tell us the vehicle or equipment, required specification, and coolant already in use when asking about a replacement.
What should I include in a coolant quote request?
Include the formula, 50/50 or concentrate, packaging, estimated quantity, delivery location, and timing. Ask about available product documentation if your purchasing process requires it.
Request coolant pricing, call (657) 600-8005, or explore Azure diesel exhaust fluid for your fleet’s other fluid needs.
Specify the full engine coolant name
An order for “red antifreeze” leaves an important choice open. Azure offers two distinct HD Red engine coolants, so include the formulation as well as the dilution and package.
| Product | Formulation to specify |
|---|---|
| HD Red nitrited | NOAT; contains nitrite |
| HD Red nitrite-free | OAT; nitrite-free |
Keep concentration separate from chemistry: “50/50 pre-diluted” describes the supplied mix, while NOAT or OAT describes the formulation. For example, an inquiry can specify “Azure HD Red nitrite-free OAT, 50/50 pre-diluted, one-gallon jugs,” followed by the quantity. If you need 100% Concentrate, state that explicitly and follow the product's dilution instructions.
For a mixed fleet, list each required coolant specification alongside its equipment application. This gives the purchasing team a clearer basis for comparing products than color alone.















