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10 Best Radiator Stop Leaks

158 reviews scanned
Rank Product Name Score
1 Bar's Leaks PLT11 Pelletized Radiator Stop Leak - 11 oz Bar's Leaks PLT11 Pelletized Radiator Stop Leak - 11 oz By Bar's Leaks
9.6
Score
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2 Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz By Bar's leaks
9.5
Score
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3 K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair By K-Seal 13 Reviews
9.3
Score
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4 Liqui Moly 20132 Radiator Stop Leak, 8.45 Fluid Ounces Liqui Moly 20132 Radiator Stop Leak, 8.45 Fluid Ounces By Liqui Moly
9.0
Score
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5 K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair By K-Seal
8.6
Score
View Product 3 Stores
6 Prestone AS145 Radiator Sealer Stop Leak - 11 oz Prestone AS145 Radiator Sealer Stop Leak - 11 oz By Prestone
8.4
Score
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7 DS-114 PERM-O-SEAL Radiator Stop Leak - 0.7 oz, Pack of 2 DS-114 PERM-O-SEAL Radiator Stop Leak - 0.7 oz, Pack of 2 By J-B Weld
7.9
Score
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8 Bar's Leaks HDC Radiator Stop Leak Tablet - 60 grams Bar's Leaks HDC Radiator Stop Leak Tablet - 60 grams By Bar's leaks
7.7
Score
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9 Bar's Leaks 1111 Head Gasket Fix - 24 oz Bar's Leaks 1111 Head Gasket Fix - 24 oz By Bar's leaks
7.4
Score
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10 GOLD EAGLE/303 PRODUCTS ASBPI12 Alumaseal Radiator Sealer, 0.71 oz GOLD EAGLE/303 PRODUCTS ASBPI12 Alumaseal Radiator Sealer, 0.71 oz By GOLD EAGLE/303 PRODUCTS
7.0
Score
View Product 2 Stores

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