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10 bestRadiator Leak Sealerof October 2025

Name: K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant
Brand: K-Seal
Price: 12.2 GBP
Availability: InStock

112M consumers helped this year.

K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant

K-Seal

9.8

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Holts Radweld Plus Coolant Leak Repair, Total Coolant Leak Repair, Industry Leading Car Radiator Leak Sealant, Easy To Use, Seal Engine Block, Cylinder Head, Hoses & More, Suitable For All Cars, 250ml

Holts

9.6

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K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators

Generic

9.3

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K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant

K-Seal

9.1

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6% off

ARZER Car Radiator & Hose Stop Leak Repair Additive - Anti Corrosion 250ml - Repairs Weld Cooling System Rads

ARZER

8.8

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