The Ford Fiesta typically requires a long-life, silicate-free organic acid technology (OAT) coolant that is premixed in a 50/50 ratio. Use a Ford-approved coolant such as Motorcraft Premium Long-Life Engine Coolant or an aftermarket coolant that is explicitly labeled as Ford-approved or compatible with Ford vehicles.
Understanding the coolant requirement for a Fiesta
Fiesta cooling systems are designed for ethylene glycol-based antifreeze with OAT protection, which protects aluminum engine components and helps prevent corrosion. Do not use conventional green coolant unless your owner’s manual specifically for your model year allows it. Always verify the exact specification on the product label or in the manual, since some older or specialty models may have different requirements.
Recent Fiesta models (2014–present)
Most modern Fiesta models use a silicate-free long-life coolant formulated for aluminum engines. Choose Ford-approved long-life coolant that meets the vehicle’s specification. If you opt for aftermarket coolant, ensure it is labeled as compatible with Ford vehicles or explicitly states it meets Ford’s specification.
Earlier Fiesta models
Some earlier Fiesta generations may have used conventional green coolant or different formulations. Check the owner’s manual or consult a dealer/mechanic to confirm the correct type for your specific year and engine configuration before replacing.
Here are commonly recommended options that align with Ford specifications when labeled Ford-approved or compatible with Ford vehicles:
- Motorcraft Premium Long-Life Engine Coolant, premixed 50/50 (orange/gold color), Ford-approved.
- Aftermarket all-makes/all-models long-life coolant that explicitly states compatibility with Ford vehicles.
- Concentrate coolant that is mixed with distilled water to achieve 50/50, provided it is certified to meet Ford specifications.
Note: Always confirm the packaging for Ford compatibility and avoid mixing incompatible coolant types. If in doubt, have the cooling system serviced to Ford specifications and use distilled water when concentrating.
Summary
For a Ford Fiesta, use a long-life, silicate-free antifreeze that is compatible with Ford vehicles—typically Motorcraft Premium Long-Life Engine Coolant or an equivalent Ford-approved product. Refer to your owner's manual or the reservoir label for the exact specification and follow the recommended 50/50 premixed ratio or manufacturer directions. Regular maintenance and the correct coolant type protect the cooling system from overheating and corrosion.
What color antifreeze does a Ford take?
What Kind of Antifreeze Do I Need?
| Color | Manufacturers/Compatibility |
|---|---|
| Orange | Ford Motors, General Motors |
| Yellow | All vehicles |
| Turquoise | Audi, BMW, and other European manufacturers |
| Pink or Blue | Audi, Porsche, and other European models |
Can you put any coolant in a Ford Fiesta?
Do Fords Need Specific Coolant. Yes, the type of coolant required for use in a Ford can vary, but it is recommended by the manufacturer themselves that a mixture of 50% water and 50% antifreeze is used.
What number is the coolant on a Ford Fiesta?
FORD FIESTA engine coolant G12, G11, G13, G12+
What type of coolant does a Ford Fiesta take?
ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No. ZXG05RU1)