Penrite Universal Top Up Coolant Premix 1L

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Regular price $15.00 inc. GST

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Universal Coolant Top Up is a Type A Anti-Freeze Anti-Boil Coolant Premix that can be mixed with ALL COOLANT and INHIBITOR TYPES including those that contain ethylene glycol and long life, low depletion rate inhibitors. It is specifically designed to not discolour existing coolant*


Universal Coolant Top Up is suitable for the cooling systems of all types of passenger vehicles, 4WD’s, light & heavy commercial vehicles, agricultural machinery, stationary engines and motorcycles. It can be used to top up Organic Acid Technology (OAT) & Hybrid Organic Acid technology (HOAT) Type A anti-freeze anti boil coolants as well as Type B inhibitor only solutions. It is safe to use wherever anti-freeze / anti-boil / anti-corrosion properties are required with all coolant types and brands.

Universal Coolant Top Up is light yellow tinted and will NOT DISCOLOUR existing coolant if not mixed at greater than 10% of system capacity. There is no limitation on the amount of Universal Coolant Top Up that can be used in the cooling system and it can be mixed with all coolants types regardless of colour.

Universal Coolant Top Up is a 50% concentration formulation and is ready to use directly from the container. It is pre-mixed with de-mineralised water and can be poured directly into the cooling system. No further dilution is required. It can be used as a complete service refill or top up. Penrite recommend that a 50% concentration level should be maintained for maximum, performance and longevity of the coolant and protection of the cooling system.

  • Allow cooling system to cool sufficiently before proceeding.
  • Remove radiator cap or overflow reservoir cap.
  • Add directly to the cooling system via radiator or overflow reservoir.
  • Replace radiator or reservoir cap securely.
Mix Ratio 50%
Freezing Point -38°C
Boiling Point +109°C

Penrite recommend flushing the cooling system prior to a complete service refill. Penrite Radiator Flush effectively cleans the system in 7 minutes and prepares the cooling system for new coolant.


When mixing coolants, Penrite recommend mixing at the manufacturers recommended concentration levels with Penrite De-Mineralised Water


  • Compatible with all coolant types.
  • Will not discolour original coolant.*
  • Compatible with plastics, rubbers and seals.
  • Note: Premix coolants do not require further dilution with demineralized water
  • Protects all internal surfaces from corrosion, including aluminium.
  • Long life coolant & inhibitor pack.
  • Phosphate free formulation.
  • Ready to use - no mixing.

*Universal Coolant Top Up will not discolour existing coolant provided that it is not mixed at greater than 10% of system capacity.