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K-Seal Coolant Leak Repair. Fixes leaks in radiators, cylinder heads, head gaskets, engine blocks, heater cores and water pump casing. Mixes with all types of antifreeze and coolant. Will not clog or damage any part of the cooling system. One 8oz bottle repairs cooling system up to 25 quarts in cars, trucks and SUVs. Works on hard plastic as well. Seals leaks and cracks in your cooling system Compatible with all types of antifreeze No draining or flushing required for application Effectively seals head gaskets heater cores and cylinder heads Treats cooling systems with a capacity of up to 25 quarts in cars, trucks and SUVs Seals hard plastic and metal Features Easy Installation Net content statement 8 fl oz (236ml) Product line ST5501 Compatible cars Cars, Trucks and SUVs Vehicle fitment type Universal Rec. use Truck Vehicle type Car Brand K-Seal Model ST5501