Description
KOSTUSA:11157 refers to the DefendAL® Heavy Duty Extended Life Antifreeze/Coolant by KOST USA. This product is a premium quality Nitrited Organic Acid Technology (NOAT) ethylene glycol-based fluid. It’s specially formulated with industry-leading additives to provide extended service maintenance protection in engines requiring a heavy-duty NOAT coolant, Technical Information
Fluid Color
Density @ 68ºF, lb/gal
pH (50v% solution)
Maintenance Interval, miles (hours)
Coolant Lifetime, miles (hours)
Concentrate
50/50
Red
9.3
8.1
300,000 (6,000)
1,000,000 (20,000)
PROTECTION FROM
FREEZE/BOIL
PROTECTION
CHART
‡Using a 15psi pressure cap
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