radweld radiator leak repair comparison - September 2026

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Brand

Price £ –

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

K-Seal

free shipping

To the product (5 offers)

9,9

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Holts LOYRW2R Radweld Cooling System Stop Leak & Radiator Repair 250ml (Pack of 2)

Holts

free shipping

To the product (1 offer)

9,8

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

ARZER

free shipping

To the product (1 offer)

9,7

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LIQUI MOLY Radiator Stop Leak | 150 ml | Cooler additive | SKU: 8956

Liqui Moly

free shipping

To the product (6 offers)

9,6

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Wynn's Radiator Stop-Leak - Seals Radiator & Head Gasket Leaks - 325ml | Prevents Corrosion & Rust - Compatible with All Coolants/Antifreeze & OAT Fluids - Safe for Hoses & Sensors

Wynn's

free shipping

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9,6

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‎Best Price Square Car Radiator & Hose Stop Leak Repair Additive 250ml – Anti-Corrosion Coolant Sealant for Radiators, Heater Cores, Gaskets & Welded Joints in Cooling Systems

‎Best Price Square

free shipping

To the product (1 offer)

9,6

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Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater Core, Freeze Plugs, Cooling System & Radiator Repair

Visbella

13% off

free shipping

To the product (1 offer)

9,5

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

Generic

17% off

free shipping

To the product (1 offer)

9,5

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HOCHSTE Radweld 250ml - Radiator & Cooling System Leak Repair, Stops Leaks Fast, Prevents Future Damage Blue - 2 Pack 500ml

HOCHSTE

4% off

free shipping

To the product (1 offer)

9,5

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Power Maxed Radiator Stop Leak & Coolant Leak Repair 250ml - Cooling System Sealant for Radiators, Heater Cores & Gaskets - Compatible with All Antifreeze & Coolant - Fast Acting Treatment

Power Maxed

8% off

free shipping

To the product (1 offer)

9,3

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You might also be interested in these radweld radiator leak repair.

K2 Car Radiator Stop Leak Cooling System Repair Sealant Leaks Liquid - 250ml

£ 7.75 free shipping

To the product (2 offers)

DASBET 36 PCS Universal Radiator Pressure Tester Kit | Cooling System Leak Detector & Coolant Vacuum Refill Tool Universal Radiator Leak Detection Coolant Filling Kit for Cars

DASBET

£ 67.99 free shipping

To the product (1 offer)

J-B Weld 2120 Radiator Repair Kit

J-B Weld

£ 19.67 free shipping

To the product (1 offer)

Holts Radweld 250ml Stops Leaks in Radiator and Hoses For Car, Vehicle Cooling System Helps in Repairing Leak Prevents Future Damage Anti-Corrosion Blue

ASA

£ 10.50 free shipping

To the product (1 offer)