Top Coolant Stop Leaks for Every Budget Say Goodbye to Leaks

Stop leak products are temporary fixes designed to seal minor leaks in your cooling system. They contain various ingredients, from polymers to ... K-Seal worked great for me. If it doesn't stop the leak nothing will IMO. I shake it up real well and add it directly to the radiator. It's stopped my leaks in ... Essentially, for any very minor coolant leak at the radiator or another place in the cooling system, a radiator stop leak can be a good solution to reduce or ... The only fix is to repair or replace the block. The very nature of stop leaks is to stop the flow of water through openings and in doing so it ... Good Luck with your trip! And I to have the EGR and Cooler, even though I have the system turned off, the cooler is still a player till I ... K-Seal works the best for me when the job calls for it. Sherco-Auto K-Seal Display Multi Purpose Permanent Coolant Leak Repair 8 oz Gasket Radiator. View Deal ... Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets Bar's Leaks Liquid Aluminum Stop Leak: This product is known for its effectiveness in sealing small radiator leaks. K-Seal ST5501 Multi ... The OP asked for the best radiator stop leak. AlumAseal works and i think it is the best i've used in 40 year of wrenching.