Antifreeze

We Know Quality

NAPA Antifreeze & Coolant is a comprehensive catalogue of precision-formulated engine coolants, designed to protect the engine from extreme temperature, corrosion, and seizing. From standard formulations to Longlife and Ultra Longlife variants, our antifreeze products are the ideal liquid solution to regulating engine temperatures.

We Know Our Products 

Available in sizes of 1L, 5L, 20L and 199L, the NAPA Antifreeze selection comprises universal engine coolants suitable for year-round use. The formulation is ethylene glycol-based unless specified otherwise below.

All coolants are supported by a 100% quality guarantee and covered for in-warranty use with the correct application.

Standard Blue & Ultra Standard Blue 

Universal 2-year engine coolant, suitable for all driving conditions.

• Blended using pure monoethylene glycol
• Anti-corrosion additives and established inhibitor technology
• Nitrite, amine, and phosphate (NAP) free
• Contains a bittering agent to prevent accidental consumption

Standard Blue can be used as supplied or further diluted before use. Ultra Standard Blue is 100% concentrate and must be diluted before use.

Longlife Red & Ultra Longlife Red 

Universal 5-year engine coolant, suitable for usage in automotive and commercial petrol and diesel engines, along with certain industrial applications.

• Organic Acid Inhibitor Technology
• Excellent hard water stability and very low inhibitor depletion rates
• Free from nitrites, amines, phosphates, borates, and silicates

Longlife Red can be used as supplied or further diluted before use. Ultra Longlife Red is 100% concentrate and must be diluted before use.

Ultra Longlife Green 05

High-performance and heavy-duty, this 3-year engine coolant is formulated primarily for use in diesel engine applications, but is equally suitable for light-duty use.

• Sophisticated silicate stabilisation technology
• Anti-scale additives and established inhibitor technology
• Free from phosphate and amine

Ultra Longlife Green 05 is 100% concentrate and must be diluted before use.

Ultra Longlife HDNF 48 

High-performance and heavy-duty, this 3-year engine coolant is formulated primarily for use in diesel engine applications, but is equally suitable for light-duty use.

• Superior silicate stabilisation technology
• Anti-scale additives and established inhibitor technology
• Nitrite, amine, and phosphate (NAP) free

Ultra Longlife HDNF 48 is 100% concentrate and must be diluted before use.

Ultra Longlife Lilac 40 

High-performance 5-year universal engine coolant suitable for usage in automotive and commercial petrol and diesel engines, along with certain industrial applications.

• Organic Acid Inhibitor Technology
• Superior silicate stabilisation technology
• Excellent hard water stability and very low inhibitor depletion rates
• Free from nitrites, amines, phosphates, and borates

Ultra Longlife Lilac 40 is 100% concentrate and must be diluted before use.

Ultra Longlife Yellow

High-performance 5-year engine coolant, suitable for usage in automotive and commercial petrol and diesel engines, along with certain industrial applications.

• Organic Acid Inhibitor Technology
• Excellent hard water stability and very low inhibitor depletion rates
• Free from nitrites, amines, phosphates, borates, and silicates

Ultra Longlife Yellow is 100% concentrate and must be diluted before use.

Longlife Universal 

Universal ready-to-use engine coolant, designed for topping up all coolant types in all commercial petrol and diesel engines.

• Free from nitrites, amines, phosphates, borates, and silicates
• High anti-corrosion performance under the most demanding conditions
• Excellent hard water stability and very low inhibitor depletion rates
• Provides protection to the end of the original drain interval for current in-use coolant

Longlife Universal should be used as supplied. No dilution needed.

Ultra Longlife P-OAT 

High-performance 5-year engine coolants, suitable for modern vehicles from Asia requiring the use of a phosphate OAT product.

• Corrosion inhibitor technology
• Excellent protection at high temperatures, especially to aluminium
• Free from nitrites, amines, borates, and silicates

Ultra Longlife P-OAT is 100% concentrate and must be diluted before use.

Ultra Longlife SP-OAT 64 

High-performance 5-year engine coolant, suitable for applications requiring a Silicated-Phosphated Organic Additive Technology (PSi-OAT) product.

• Designed for the demands of modern engine systems
• Excellent protection at high temperatures, especially to aluminium
• Free of nitrites, amines, and borates

Ultra Longlife SP-OAT 64 is 100% concentrate and must be diluted before use.

Dilution Efficiency

Where dilution is optional in Standard and Longlife products, a 50/50 mix provides -20°C freeze protection. Where dilution is required in Ultra (100% Concentrate) products, a 50/50 mix provides -40°C freeze protection.

NAPA Longlife Universal Antifreeze should not be diluted.

View the Technical Data Sheets for further recommended percentages and their freeze protection.

We Know How 

At NAPA, Know How is everything. All NAPA Antifreeze products meet or exceed OE specification, ensuring the utmost reliability and efficiency in our offering. Any purchase you make is supported by our commitment to providing all our customers with industry-leading quality and service.

Our team of technical experts are on hand to provide support and guidance on our range of lubrication products. This can cover anything from application best practices to regular content releases addressing frequently asked questions regarding our other product ranges. Quality may begin with the product, but there is never an end to our Know How.