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Best Radiator Leak Sealer

From leading brands and best sellers available on the web.
#1

Winner

Bar's Leak

Bar's Leaks

Bar's Leaks 1334-5PK One Seal Stop Leak - 11 oz, (Pack of 5)

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#2
Permatex 3

Permatex

Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets

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#3
Holts Radw

Holts

Holts Radweld Radiator Leak Repair 250 ml

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#4
Bar's Powd

Bars

Bar's Powdered Radiator, Engine Block and Gasket Leak Sealant 15 gr.

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#5
Holts Prof

Holts

Holts Professional Sealit Leak Repair 250 ml

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#6
Rescue Tap

Bond It

Rescue Tape | Self-Fusing Silicone Tape | Emergency Pipe & Plumbing Repair | DIY Repairs | Seal Radiator Hose Leaks | Wrap Electrical Wires | Used by US Military | 1” X 12’ | Silicone Rubber | Red

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#7
K-Seal K55

K-Seal

K-Seal K5501 Coolant Leak Repair Treatment for Antifreeze/Engine Coolant - Suitable for Car Engines, Water Pump Casing, Heater Core & Freeze Plug

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#8
Holts 1831

Holts

Holts 1831582 52032020022 Radweld 250 ml

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