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10 Best Radiator Stop Leaks

6,425 reviews scanned
Rank Product Name Score
1
Best Value for Money
Liqui Moly 8956 Radiator Stop-Leak - 150 ml Liqui Moly 8956 Radiator Stop-Leak - 150 ml By Liqui Moly
9.8
Score
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2 Prestone AS145 Radiator Sealer Stop Leak - 11 oz Prestone AS145 Radiator Sealer Stop Leak - 11 oz By Prestone
9.3
Score
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3 Bar's Leaks HDC Radiator Stop Leak Tablet - 60 Grams Bar's Leaks HDC Radiator Stop Leak Tablet - 60 Grams By Bar's Leaks
9.1
Score
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4
Budget Choice
Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz By Bar's Leaks
8.9
Score
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5 Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz By Bar's Leaks
8.6
Score
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6 EPAuto Spill Proof Radiator Coolant Filling Funnel Kit EPAuto Spill Proof Radiator Coolant Filling Funnel Kit By EPAUTO
8.3
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 JB Weld
8.1
Score
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8 Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak By Bar's Leaks
7.8
Score
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9 Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz By Bar's Leaks
7.4
Score
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10 K-SEAL Coolant Leak Repair, ST9501 472ml Multi-Purpose Formula Stops Leaks in the Radiator K-SEAL Coolant Leak Repair, ST9501 472ml Multi-Purpose Formula Stops Leaks in the Radiator By K-Seal
7.3
Score
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