Antifreeze & Coolants for Cars, Commercial Vehicles & Machinery

Antifreeze plays an essential role in protecting cooling systems by helping to regulate engine temperature and prevent damage caused by freezing, overheating and corrosion. Modern antifreeze formulations also help lubricate water pumps and protect internal cooling system components, contributing to reliable engine performance throughout the year.

At Smith & Allan, we supply a wide range of antifreeze and coolant products suitable for passenger cars, commercial vehicles, agricultural machinery, plant equipment and industrial applications. Our range includes ready-to-use and concentrated formulations, as well as products that meet a variety of manufacturer specifications.

Why Antifreeze Is Important

Antifreeze does more than prevent coolant from freezing during cold weather. It raises the boiling point of the cooling system, helping engines operate efficiently in high temperatures while protecting against corrosion, scale build-up and damage to components such as radiators, water pumps and engine blocks.

Choosing the Correct Antifreeze

Selecting the correct antifreeze depends on your vehicle or equipment manufacturer's recommended specification. Different formulations use different additive technologies, such as OAT (Organic Acid Technology), HOAT (Hybrid Organic Acid Technology) and traditional IAT (Inorganic Additive Technology). Using the correct type helps maintain cooling system performance and protects against premature component wear.

Suitable for a Wide Range of Applications

Our antifreeze range is suitable for petrol and diesel cars, vans, HGVs, agricultural machinery, construction equipment and industrial engines. Products are available for both routine servicing and complete cooling system refills, ensuring the correct coolant can be selected for a wide variety of applications.

Related Oils and Lubricants

Antifreeze is one of several essential fluids used to maintain a vehicle or machine. During routine servicing, you may also need Passenger Car Motor Oils, Heavy Duty Engine Oils, Automotive Gear Oils or Hydraulic Oils, depending on the type of vehicle or equipment being maintained. Using the correct fluids throughout the vehicle helps ensure each system operates efficiently and is protected against unnecessary wear.

Available as Concentrate and Ready Mixed

Our range includes both concentrated antifreeze, which is diluted with water before use, and ready mixed coolants that can be added directly to the cooling system. Always follow the manufacturer's recommendations for the correct concentration and coolant specification to ensure effective protection throughout the year.

Finding the Right Antifreeze

If you are unsure which antifreeze is suitable for your vehicle or equipment, refer to the manufacturer's handbook for the recommended coolant specification. You can also use our Search by Vehicle tool or contact our team for guidance on selecting a compatible product.


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