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๐ Seal the deal, stop the leak, and drive worry-free!
Bar's Leaks 1186-6PK Liquid Aluminum Stop Leak is a scientifically advanced formula designed to permanently seal coolant leaks that cause engine overheating. Featuring Xtreme Coolโข technology, it reduces water temperature while conditioning the cooling system. Compatible with all types of traditional and extended life coolants, it safely seals leaks in plastic, aluminum, copper, and steel components without requiring system draining. This 6-pack of 16.9 oz bottles offers a reliable, no-fuss solution trusted by thousands of drivers to maintain optimal engine performance.




| Asin | B00BYS6YLQ |
| Best Sellers Rank | #220,619 in Car & Motorbike (See Top 100 in Car & Motorbike) |
| Brand Name | Bar's Leaks |
| Compatible Material | Aluminium |
| Country Of Publication | USA |
| Customer Reviews | 4.3 4.3 out of 5 stars (3,621) 4.3 out of 5 stars |
| Global Trade Identification Number | 10046087011864 |
| Included Components | (6) Radiator and Heater Core Stop Leak |
| Item Dimensions | 6.6 x 6.6 x 18.8 Centimeters |
| Item Form | Liquid |
| Item Highlight | Safely and Easily Seal Leaks in Plastic, Aluminum and Metal Radiators, Heater Cores, Gaskets, Freeze Plugs, 16.9oz Bottles |
| Item Type Name | Liquid Aluminum Radiator and Heater Core Stop Leak. 6 Pack |
| Item Weight | 544 g |
| Manufacturer | Bar's Leaks |
| Manufacturer Part Number | 1186-6PK |
| Material Type | Aluminum |
| Model | 1186-6PK |
| Number Of Items | 6 |
| Number Of Packs | 1 |
| Style Name | Liquid |
| Surface Recommendation | Miscellaneous |
| Unit Count | 101.4 Fluid Ounces |
| Warranty Description | No |
| Water Resistance Level | Not Water Resistant |
User
Worked for My Coolant Leak
It worked for me, although I canโt speak for everyoneโs situation. A lot depends on the type of leak you haveโwhether itโs coming from a hose, the radiator, or another part of the cooling system. In my case, I used it and it stopped the leak. I would say it may work well if the leak is small or minor. If you have a major leak, your results may be different. For the price, it was worth trying and it helped solve my problem. โญโญโญโญโญ
User
ู ู ุชุงุฒ
ุฌูุฏ
User
SI ME FUNCIONO!
SI ME FUNCIONO !! LO RECOMIENDO.
User
Must Try.
Looks like it worked. No more leaks.
User
Very satisfied.
After 1 application, the leak in my rad was repaired. It did not affect any other components of the cooling system. Highly recommend.
Trustpilot
2 months ago
5 days ago