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Maintenance Parts


Komatsu Maintenance Parts - Coolants
Komatsu Genuine Coolants
Coolants are used to prevent freezing, corrosion and rust in cooling systems, as well as providing other useful functions. Using the correct coolant will have a significant beneficial impact on the life of engines, radiators and powertrains.
Komatsu Supercoolant AF-NAC
It is possible to maximise your equipment life by maintaining the cooling system with the correct use of a quality coolant. Komatsu Supercoolant AF-NAC is a high performance, fully formulated extended life coolant that allows for extended drain periods, saving you money and downtime.
Komatsu Supercoolant is designed to meet Komatsu Engineering Standards.  To promote greater efficiency and longer engine life, Komatsu offers training to all levels of your personnel on the best maintenance practices to employ regarding coolants and cooling systems.
Benefits for you and your engine
Your Benefits
  • Pre-mixed for convenience
  • Reduced downtime from extended service technology
  • Improved productivity and lower operating costs for the life of your equipment
  • Requires no Supplemental Coolant Additives (SCAs) to reduce maintenance costs
  • Does not require Hazardous chemical (Hazchem) Code nor DG class for transport
  • Non-flammable
Engine Benefits
  • Meets ASTM specifications for heavy duty and fully formulated engine coolants
  • Meets ASTM specifications for heavy duty and fully formulated engine coolants
  • Specified for use in Komatsu equipment and recommended for use in mixed fleet equipment
  • Improved liner protection
  • Reduces risk of water-pump seal leakage
  • Outstanding performance in cast iron and aluminium engines
  • Outstanding performance in aluminium alloy cooling systems