DefendAL® Coolant/Antifreeze

AVAILABLE IN: Jugs, Totes, Drums, Cases



Typical Properties ASTM Method Concentrate 50/50
Glycols Content, mass % GC 93.5 47
Bittering Agent (yes/no) -- Yes Yes
Water Content, mass % D1123 2 50.8
Corrosion Inhibitor System, mass % -- 4.5 2.2
Specific Gravity @ 60ºF D1122 1.117 1.069
Flash Point D97 240ºF (116ºC) N/A
pH D1287 8.7 8.4
RA D92 5.2 2.56
Storage Stability -- 5 years 5 years
Effect on Non-Metals D1882 No Effect No Effect
Cavitation Errosion Rating D2809 8 min 8 min
Foam Test, ml/sec D1881 <50/3 <50/3
Fluid Color Visual Flor Orange Flor Orange
Coolant/Antifreeze %
40/60 Freeze Point
D1177 -24ºF(-12ºC) N/A
Coolant/Antifreeze %
50/50 Freeze Point
D1177 -34ºF (-36ºC) -34ºF (-36ºC)
Coolant/Antifreeze %
60/40 Freeze Point
D1177 -62ºF (-52ºC)


Coolant/Antifreeze %
40/60 Boil Point
D1120 221ºF (105ºC) N/A
Coolant/Antifreeze %
50/50 Boil Point
D1120 226ºF (108ºC) 226ºF (108ºC)
Coolant/Antifreeze %
60/40 Boil Point
D1120 234ºF (112ºC) N/A
Ash Content D1119 <5.0 <2.5
Chloride (mg/L) D3634 <25 <25
Silicon Content (mg/L) D6130 <10 <10
Typical test data average values only, minor variations which do not affect product performance are to be expected during normal manufacturing. Always consult owner's manual for proper viscosity and performance recommendations.

DefendAL® Coolant/Antifreeze (Formulated for use in vehicles requiring DEX-COOL®*) is a premium carboxylate-based Organic Acid Technology (OAT) ethylene glycol-based fluid. Specially formulated with industry-leading additives, this product provides optimum performance in vehicles requiring DEX-COOL®* (GM 6277M) coolant.


  • * 5 years | 150,000 miles protection
  • * Full Organic Acid Technology (OAT)
  • * Multi-metal rust and corrosion protection
  • * Helps prevent freeze-ups and boil-overs
  • * Contains no nitrites, amines, phosphates, silicates, or borates 

DefendAL® Coolant/Antifreeze (Formulated for use in vehicles requiring DEX-COOL®*) is your cooling system’s best defense.

  • * Premium quality, extended life coolant.
  • * Provides up to 5 years or 150,000 miles of protection.
  • * Free of phosphate, borates, nitrites, cilicates, and amines.
  • * Protects against corrosion of all cooling system metals, including aluminum.
  • * High-quality defoamer system, nonharmful to hoses, plastics or gaskets.
  • * Compatible with all major American brands of extended life Organic Acid Technology (OAT)-type coolant/antifreeze formulated to meet the DEX-COOL®** requirement (GM 5277M).
**DEX-COOL® is a registered trademark of the General Motors Corporation

This product meets, or exceeds the requirements similar to the following manufacturers and global specifications: **

  • ASTM D3306
  • ASTM D4985
  • Chrysler MS-7170
  • Daimler DBL 7700.00
  • Daimler DBL 7700.10
  • Daimler DBL 7700.20
  • Daimler DBL 7700.30
  • EMD MI 1748F
  • Ford ESE-M97B18-C
  • Ford ESE-M97B44-A
  • Ford WSS-M97B44-D
  • Ford WSS-M97B51-A1
  • Ford WSS-M97B55-A
  • GM B 040 1065 - GM 6277M
  • GM 6277M (DEX-COOL®)*
  • GM 1825M
  • GM 6038M
  • GM 1899M
  • John Deere JDM H24B, C
  • John Deere JDS-G135
  • Kia MS 591-08
  • Komatsu KES 07 892
  • Liebherr
  • Mack GS17004
  • MAN 324 Type N
  • MAN 324 Type SNF
  • MTU 5048
  • MWM Deutz TR0199-99-1115
  • Navistar CEMS B-1 Type I
  • Navistar CEMS B-1 Type II
  • Navistar CEMS B-1 Type IIIA
  • Nissan
  • SAE J1034
  • SAE J1941
  • TMC RP 302A
  • TMC RP 302B
  • TMC RP 303C
  • TMC RP 329
  • Toyota TSK 26016
  • VW TL774-D/F
  • Wisconsin Motors (Continental)

All reasonable care has been taken to ensure that the information herein is accurate as of the date of posting. Freedom to use any patent owned by KOST USA, Inc. or others is not to be inferred from any statement contained herein. The test results listed are typical properties only. Formula and blending changes may results in the slight color and appearance changes.

Always consult your vehicle owner's manual for proper fluid removal and flushing procedures.

*DEX-COOL® is a registered trademark of the General Motors Corporation.
**Meets performance requirements but may or may not meet certain chemical requirements.
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WARNING: Products may expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to
For specific product risks check the manufacturer’s SDS Section 15: Regulatory information.