Penrite Blue OEM Approved Coolant Concentrate – 20L

Penrite Blue OEM Approved Coolant Concentrate is a high-quality, long-life ethylene glycol-based coolant formulated to meet the exacting requirements of modern petrol and diesel engines. Designed for vehicles requiring blue OEM coolant technology, this concentrate delivers exceptional corrosion protection, thermal stability, and extended service life.

Key Benefits

• OEM-approved formula – Suitable for vehicles requiring blue coolant chemistry.

• Long-life protection – Provides up to 7 years / 350,000 km of service in passenger vehicles when mixed correctly.

• Exceptional corrosion resistance – Protects aluminium, cast iron, copper, solder, steel, and magnesium alloys.

• Improves cooling efficiency – Helps reduce engine temperatures and prevent overheating.

• Compatible with rubber hoses and seals – Safe for modern cooling system materials.

• Protects against cavitation and liner pitting in diesel engines.

• Concentrated formula – Mix with demineralised water to achieve desired strength.

Suitable For

• Modern petrol and diesel engines

• Passenger vehicles, 4x4s, light commercial vehicles

• Vehicles requiring OEM blue coolant (Mazda, Nissan, Subaru, Suzuki & others)

• Engines with aluminium radiators and cooling systems

Mixing Ratio

• 50/50 dilute for maximum protection

• Recommended to use demineralised or distilled water

• Do not mix with other coolant colours unless fully flushed