Item # ST9501, K-Seal Multi-Purpose One-Step Permanent Coolant Leak Repair

Permanent Coolant Leak Repair!

- Safest coolant "stop leak" on the market

- Will not damage cooling system or engine

- Positively will not clog

- Seals leaks up to 0.025 - 1/32”- 0.793mm and seals in minutes

- Repairs head gaskets, blocks, heads, heater cores, water pump casings (including hardened polymer) and freeze plugs

- No draining, flushing or specialty tools

- Can be added to cold, warm or hot engines

- Meets ASTM D3147

- Just shake and pour into rad or coolant reservoir

- Freeze-proof formula

- One bottle treats up to 20 litres

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