VISA® Heavy Duty Radiator Stop Leak Powder – 1Ltr
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Say goodbye to costly repairs and unexpected breakdowns with VISA® Heavy Duty Radiator Stop Leak Powder – your engine’s best defense against leaks and overheating. Specially formulated for heavy-duty vehicles and high-performance systems, this powerful 1-liter solution quickly seals small cracks and pinhole leaks in radiators, gaskets, and heater cores.
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Key Benefits:
Instant Leak Sealing: Effectively seals minor leaks in radiators and cooling systems within minutes of use.
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Heavy-Duty Performance: Designed for trucks, buses, industrial vehicles, and cars needing extra-strength protection.
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Corrosion Protection: Helps prevent rust and scale build-up, extending the life of your cooling system.
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Safe & Compatible: Works with all types of coolant and is safe for aluminum and plastic radiators.
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Easy Application: Just pour into the radiator or overflow tank – no need for tools or mechanical expertise.
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Whether you’re on the road or on the job, VISA® Heavy Duty Radiator Stop Leak Powder keeps your vehicle running cooler, longer, and leak-free.
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Drive with confidence. Protect your investment. Choose VISA®.
Proprietary blend of sodium silicate, organic cellulose fibers, aluminum flakes, anti-corrosion inhibitors, resin-based binding agents, and coolant-compatible carriers.
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Formulated for compatibility with all standard engine coolants and radiator materials including aluminum and plastic.
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CAUTION: For automotive use only. Avoid contact with skin and eyes. Keep out of reach of children. Refer to the Safety Data Sheet (SDS) for more information.
Ensure engine is cool before opening the radiator cap or reservoir tank to avoid injury.
Shake container well to evenly distribute contents.
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Pour the full contents of the bottle directly into the radiator or coolant reservoir.
For large cooling systems, use 1L per 15–20 liters of coolant.
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Start engine and let it idle for 10–15 minutes with the heater on high. This allows the product to circulate and seal leaks.
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Check fluid level and top up with coolant if necessary.
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TIP: For best results, use after a coolant flush. Safe for use with all types of antifreeze/coolant and radiator materials.
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