10 bestRadiator Sealantof November 2024
112M consumers helped this year.
15% off
1
Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use
Polar Specialist Coatings
9.8
2
K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant
K-Seal
9.6
3
Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads
ARZER
9.3
4
LIQUI MOLY Radiator Stop Leak | 150 ml | Cooler additive | SKU: 8956
Liqui Moly
9.0
5
K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant
K-Seal
8.7
OtherUp to 23% off
6
K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators
Generic
8.5
10% off
7
Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Wynn's
8.2
8
Pro-Kleen Instant Waterproof Sealant Spray - Tough Leak Sealant Spray for Roofs, Pipes, Guttering & More - Transparent & Long-Lasting Formula - Instant Emergency Repair (400ml)
Pro-Kleen
7.9
9
Holts 1831469 Radweld Plus New Formula 250ml
Holts
7.6
10
Fernox 61016 50ml LS-X External Leak Sealer
Fernox
7.3
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