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Mixes with all quality antifreeze. Harmless to rubber, aluminum and other metals. Pellet-sized sealer dissolves to form a lasting internal and external seal in engine blocks and heads, radiator and heater cores, head gaskets, hose connections, and freeze plugs.
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$5.99