Top 5 Radweld Radiator Leak Repair UK – Fillers, Adhesives & Sealants

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1. Bargainstore

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

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Bargainstore #ad - Stops leaks in radiators and hoses. Unaffected by anti-freeze. Permanently seals radiator leaks. Contains rust inhibitors. Safe for use with rubber hoses.
BrandBargainstore #ad
ManufacturerBargainstore #ad
Part NumberRW2R

2. Wynn's

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Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml

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Wynn's #ad - Enhanced corrosion and rust protection; compatible with all antifreeze and coolants, and with OAT organic acid technology fluids. Can also be used as a preventive agent to pre-empt and avoid any costly future repairs. Is harmless to hoses, rubber seals and all other parts of the system - does not clog any components. Stops and prevents leakages in the radiator, cooling and heating system & stops head gasket leaks. Recommended for all "water" cooled systems of petrol, LPG and diesel engines when minor leaks are noted.
BrandWynn's #ad
ManufacturerWynn Oil UK #ad
Height9.22 cm (3.63 Inches)
Length1.8 cm (0.71 Inches)
Weight0.37
Width3.38 cm (1.33 Inches)
Part Number55864
ModelWY55864

3. Wynn's

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Wynn's 1831015 55863 Radiator Stop Leak 325 ml

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Wynn's #ad - Will not harm rubber hoses, gaskets or other system components. Improved protection against rust and corrosion. Stops and prevents leakages in the radiator, cooling and heating system. Stops head gasket leaks.
BrandWynn's #ad
ManufacturerWynn's #ad
Height15.7 cm (6.18 Inches)
Length6.5 cm (2.56 Inches)
Weight0.03 kg (0.07 Pounds)
Width6.5 cm (2.56 Inches)
Part NumberWY 1831015
Model1831015
WarrantyNo

4. K-Seal

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KALIMEX LTD ST5501 K-Seal Coolant Leak Repair

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K-Seal #ad - Multi purpose ONe Step & Permanent. No flushing. Item package dimension: 4. 4 cm l x 8. 8 cm w x 12. 6 cm H. Mixes with all types of Antifreeze. Just shake, pour and go.
BrandK-Seal #ad
ManufacturerK-Seal International Limited #ad
Height15.24 cm (6 Inches)
Length20 cm (7.87 Inches)
Weight0.27 kg (0.6 Pounds)
Width5.08 cm (2 Inches)
Part NumberST5501
ModelST5501
Warranty1 year manufacturer

5. Liqui Moly

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Liqui Moly 8956 Radiator Stop Leak

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Liqui Moly #ad - Shake container before use; run the heating system; with the engine running, pour the contents into the cooling fluid at operating temperature and allow the engine to continue running for a further 10 minutes. Small leaks caused by stone impacts, porous soldering points and hairline cracks in the cooling simple are easy to localize one notices that the cooling water level is sinking. 8956. Used for sealing small leaks in cooling circuits of passenger motor vehicles, commercial vehicles, buses and two-wheel vehicles; also suitable for cooling circuit with filters.
BrandLiqui Moly #ad
ManufacturerLiqui Moly GmbH #ad
Height5 cm (1.97 Inches)
Length10 cm (3.94 Inches)
Weight0.15 kg (0.33 Pounds)
Width5 cm (1.97 Inches)
Part Number8956
Model8956