DEFENDAL HD NITRITE FREE 50/50 RADIATOR READY ANTIFREEZE – 55 GALLON DRUM

SKU: 500788

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DefendAL® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze – 20,000 HR / 1,000,000 MI (CAT EC-1) DefendAL® Heavy Duty Nitrite-Free Extended...
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Storage Instructions

Dry Goods: Store in a cool, dry place away from direct sunlight and moisture. Seal the packaging tightly after each use to preserve freshness.

Perishables: Refrigerate immediately upon receiving to maintain optimal freshness. Follow the specific storage temperature guidelines mentioned on the packaging.

Frozen Items: Keep frozen until ready to use. Follow the thawing instructions on the package for best results.

All products come with a "Best Before" or "Use By" date printed on the packaging. Please consume before this date to ensure the best quality.

For fresh or refrigerated items, use within [number of days] of opening.

Shipping & Returns

All orders are processed within 1-3 business days.

Orders are not shipped or delivered on weekends or holidays.

Standard Shipping: 5-7 business days. Rates will be calculated at checkout.

Express Shipping: 2-3 business days. Rates will be calculated at checkout.

Delivery delays can occasionally occur due to unforeseen circumstances.

Categories: All New Products , All Products , Automotive , Engine Oil , Industrial , Oil&Lubricants

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DefendAL® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze – 20,000 HR / 1,000,000 MI (CAT EC-1)

DefendAL® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze is a premium Organic Acid Technology (OAT), ethylene glycol-based formula engineered for extended performance in heavy-duty and mixed fleet applications. Designed with advanced additive technology, it delivers long-term cooling system protection without the need for supplemental coolant additives (SCAs) while meeting nitrite-free coolant requirements of leading OEMs.

Performance Benefits

  • Approved for heavy-duty and light-duty engines
  • No SCA addition required
  • Up to 1,000,000 miles / 20,000 hours of protection
  • Meets CAT EC-1 requirements
  • Superior wet sleeve liner cavitation protection
  • Excellent freeze and boil-over protection
  • Phosphate-free with low silicate formulation
  • Long-term corrosion protection for steel, copper, brass, iron and aluminum
  • Compatible with major American conventional coolants
  • Suitable for on-road, off-road and stationary diesel engines

Product Specifications

Product Name DefendAL® Heavy Duty Nitrite-Free Extended Life Coolant/Antifreeze
Technology Organic Acid Technology (OAT)
Base Fluid Ethylene Glycol
Service Life Up to 1,000,000 Miles / 20,000 Hours
SCA Requirement Not Required
OEM Specification CAT EC-1
Application Heavy-duty diesel, light-duty engines, on-road, off-road, stationary equipment
Corrosion Protection Steel, solder, copper, brass, iron, aluminum
Compatibility Compatible with major American conventional coolants
SKU# 500788

Engineered for reliability and long service intervals, DefendAL® provides dependable cooling system performance across demanding heavy-duty environments.

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