DEFENDAL HD NITRITE FREE 100% RADIATOR READY ANTIFREEZE – 55 GALLON DRUM

SKU: 500787

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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 coolant engineered for superior performance in heavy-duty and mixed fleet applications. Formulated with advanced additive technology, it delivers extended service protection without the need for supplemental coolant additives (SCAs) and meets nitrite-free coolant requirements of leading OEMs.

Key Benefits

  • Approved for use in heavy-duty and light-duty engines
  • No addition of SCAs required
  • Up to 1,000,000 miles / 20,000 hours protection
  • Meets CAT EC-1 performance requirements
  • Superior wet sleeve liner cavitation protection
  • Maximum freeze and boil-over protection
  • Phosphate-free with low silicates
  • Long-term corrosion protection for steel, copper, brass, aluminum and iron
  • 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 Standard 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# 500787

Engineered for durability and long-term cooling system reliability, DefendAL® delivers advanced protection and extended performance across demanding heavy-duty environments.

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