DefendAL^® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze is a premium quality, Organic Acid Technology (OAT), ethylene glycol-based fluid. Specially formulated with advanced additive technology, this product provides extended service maintenance protection in heavy duty applications without the addition of SCAs, and meets nitrite-free coolant requirements of many industry-leading OEMs.

Benefits:

• * Approved for use in heavy duty and light duty engines
• * No addition of SCAs required
• * 1,000,000 mile | 20,000 hour protection*
• * Meets CAT EC-1 requirements

DefendAL^® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze is your cooling system’s best defense.

• * Contains nitrites for superior wet sleeve liner cavitation protection.
• * Provides maximum freeze and boil-over protection.
• * Designed for heavy duty applications, yet can be used in automotive applications where conventional technology coolants are acceptable.
• * Phosphate-free with low silicates.
• * Effective, long-term corrosion protection for steel, solder, copper, iron, brass and aluminum.
• * High-quality defoamer system, nonharmful to hoses, plastics or gaskets.
• * Compatible with all major American brands of conventional coolants, with and without the addition of SCAs.*
• * Appropriate for use in on- and offroad diesel engines, as well as in stationary engine applications where a conventional pre-charged coolant is required.

*SCA levels will need maintaining throughout the life of the engine. Consult your owner’s manual for recommendations.