Nalco Water Transport Industry Group

Engine Coolants

Nalco Water’s Transport Industry Group specializes in both traditional (conventional) and modern (organic and hybrid organic) inhibitor technology in heavy-duty long-life coolants, inhibitors and cleaners for the automotive petrol, diesel, and gas engine markets. Our customers include Original Equipment Manufactures, and aftermarket suppliers. 

Featured Innovations

Engine Coolant Logos

Heavy-Duty Engine Coolants

NALCOOL™ and ALFLOC® Long Life Heavy-Duty Coolants are globally approved by major engine Original Equipment Manufacturers around the world, meeting or exceeding coolant specification requirements.


Nalco Water’s extensive coolants product range will address your specific needs or goals by delivering reliable, cost-effective, safe engine and cooling system protection solutions with proven measured results. 

Nalco Water’s range of products can help you reduce coolant running and maintenance costs in the following ways:

  • Long Life formulation performance life to 4 years/ 12,000 hours/ 1 million km
  • No need to use costly supplement coolant filters (SCA’s)
  • Usually one product for all applications
  • Ongoing Support programmes tailor made to reduce your overall cost of coolant and ensure performance life of is achieved and/or exceeded
  • Meet environmental, health and safety standards


Programmes, Products, Equipment and Services

Explore our Engine Coolant Offerings